Published in N Engl J Med on July 28, 2005
Use of herbal products and potential interactions in patients with cardiovascular diseases. J Am Coll Cardiol (2010) 3.77
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The challenge of respiratory virus infections in hematopoietic cell transplant recipients. Br J Haematol (2008) 2.19
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Genomics and proteomics of immune modulatory effects of a butanol fraction of echinacea purpurea in human dendritic cells. BMC Genomics (2008) 1.07
Respiratory viruses other than influenza virus: impact and therapeutic advances. Clin Microbiol Rev (2008) 1.05
Placebo effects and the common cold: a randomized controlled trial. Ann Fam Med (2011) 1.05
Year-and-a-half old, dried Echinacea roots retain cytokine-modulating capabilities in an in vitro human older adult model of influenza vaccination. Planta Med (2006) 1.03
Redesigning a large-scale clinical trial in response to negative external trial results: the CAMUS study of phytotherapy for benign prostatic hyperplasia. Clin Trials (2009) 0.99
Commonly Used Dietary Supplements on Coagulation Function during Surgery. Medicines (Basel) (2015) 0.97
Developing a library of authenticated Traditional Chinese Medicinal (TCM) plants for systematic biological evaluation--rationale, methods and preliminary results from a Sino-American collaboration. Fitoterapia (2010) 0.97
Studying herbal remedies. N Engl J Med (2005) 0.94
Alkamide stability in Echinacea purpurea extracts with and without phenolic acids in dry films and in solution. J Agric Food Chem (2007) 0.93
Dioscorea phytocompounds enhance murine splenocyte proliferation ex vivo and improve regeneration of bone marrow cells in vivo. Evid Based Complement Alternat Med (2011) 0.91
Synthesis and natural distribution of anti-inflammatory alkamides from Echinacea. Molecules (2006) 0.89
Respiratory viral infections in children with asthma: do they matter and can we prevent them? BMC Pediatr (2012) 0.89
The synthesis and natural distribution of the major ketone constituents in Echinacea pallida. Molecules (2007) 0.89
Cytokine- and interferon-modulating properties of Echinacea spp. root tinctures stored at -20 degrees C for 2 years. J Interferon Cytokine Res (2007) 0.89
Safety and Efficacy Profile of Echinacea purpurea to Prevent Common Cold Episodes: A Randomized, Double-Blind, Placebo-Controlled Trial. Evid Based Complement Alternat Med (2012) 0.88
Echinacea purpurea (L.) Moench modulates human T-cell cytokine response. Int Immunopharmacol (2014) 0.86
Dietary supplement adverse events: report of a one-year poison center surveillance project. J Med Toxicol (2008) 0.85
The "Smallwood report": method or madness? Br J Gen Pract (2006) 0.85
PHENETIC COMPARISON OF SEVEN Echinacea SPECIES BASED ON IMMUNOMODULATORY CHARACTERISTICS. Econ Bot (2006) 0.85
Echinacea in infection. Am J Clin Nutr (2008) 0.84
Use of natural health products in children: survey of parents in waiting rooms. Can Fam Physician (2013) 0.83
Echinacea purpurea aerial extract alters course of influenza infection in mice. Vaccine (2010) 0.83
Immune surveillance by rhinovirus-specific circulating CD4+ and CD8+ T lymphocytes. PLoS One (2015) 0.82
Does the evidence make a difference in consumer behavior? Sales of supplements before and after publication of negative research results. J Gen Intern Med (2008) 0.82
Echinacea angustifolia in rhinovirus infections. N Engl J Med (2005) 0.80
Critical appraisal training increases understanding and confidence and enhances the use of evidence in diverse categories of learners. Health Expect (2012) 0.79
Effect of type of TAG fatty acids on lutein and zeaxanthin bioavailability. Br J Nutr (2012) 0.79
Effects of chemically characterized fractions from aerial parts of Echinacea purpurea and E. angustifolia on myelopoiesis in rats. Planta Med (2011) 0.78
Metabolomic analysis reveals that the accumulation of specific secondary metabolites in Echinacea angustifolia cells cultured in vitro can be controlled by light. Plant Cell Rep (2011) 0.77
Progress in complementary and alternative medicine research: Yale Research Symposium on Complementary and Integrative Medicine. Yale J Biol Med (2010) 0.75
Echinacea angustifolia in rhinovirus infections. N Engl J Med (2005) 0.75
Echinacea tennesseensis ethanol tinctures harbor cytokine- and proliferation-enhancing capacities. Cytokine (2009) 0.75
Vitamin D supplementation during pregnancy: double-blind, randomized clinical trial of safety and effectiveness. J Bone Miner Res (2011) 4.11
Moderate hypothermia in neonatal encephalopathy: efficacy outcomes. Pediatr Neurol (2005) 3.26
High-dose vitamin D3 supplementation in a cohort of breastfeeding mothers and their infants: a 6-month follow-up pilot study. Breastfeed Med (2006) 2.29
Moderate hypothermia in neonatal encephalopathy: safety outcomes. Pediatr Neurol (2005) 1.80
Predicting extubation outcome in preterm newborns: a comparison of neural networks with clinical expertise and statistical modeling. Pediatr Res (2004) 1.63
Vitamin D deficiency and insufficiency is common during pregnancy. Am J Perinatol (2010) 1.47
A statistical model to predict nonsurvival in congenital diaphragmatic hernia. J Perinatol (2002) 1.43
New Analytical Monographs on TCM Herbal Drugs for Quality Proof. Forsch Komplementmed (2016) 1.39
Increasing incidence of kidney stones in children evaluated in the emergency department. J Pediatr (2010) 1.37
Echinacea for preventing and treating the common cold. Cochrane Database Syst Rev (2014) 1.28
The quest for modernisation of traditional Chinese medicine. BMC Complement Altern Med (2013) 1.24
Health characteristics and outcomes of two randomized vitamin D supplementation trials during pregnancy: a combined analysis. J Steroid Biochem Mol Biol (2013) 1.22
Phytochemistry and pharmacogenomics of natural products derived from traditional Chinese medicine and Chinese materia medica with activity against tumor cells. Mol Cancer Ther (2008) 1.22
Molecular modes of action of cantharidin in tumor cells. Biochem Pharmacol (2005) 1.17
Using geographic information systems to assess risk for elevated blood lead levels in children. Public Health Rep (2003) 1.16
Curcumin effects on inflammation and performance recovery following eccentric exercise-induced muscle damage. Am J Physiol Regul Integr Comp Physiol (2007) 1.16
New constituents of Leontopodium alpinum and their in vitro leukotriene biosynthesis inhibitory activity. Planta Med (2004) 1.13
Alkylamides of Echinacea purpurea stimulate alveolar macrophage function in normal rats. Int Immunopharmacol (2002) 1.11
Comparison of maximum vasoactive inotropic score and low cardiac output syndrome as markers of early postoperative outcomes after neonatal cardiac surgery. Pediatr Cardiol (2012) 1.10
Quinolone alkaloids from Evodia rutaecarpa: a potent new group of antimycobacterial compounds. Int J Antimicrob Agents (2005) 1.09
Molecular biology of cantharidin in cancer cells. Chin Med (2007) 1.08
Lignan derivatives from Krameria lappacea roots inhibit acute inflammation in vivo and pro-inflammatory mediators in vitro. J Nat Prod (2011) 1.08
The role of alkamides as an active principle of echinacea. Planta Med (2007) 1.08
Using pharmacy data to screen for look-alike, sound-alike substitution errors in pediatric prescriptions. Acad Pediatr (2010) 1.07
Contaminant blubber burdens in Atlantic bottlenose dolphins (Tursiops truncatus) from two southeastern US estuarine areas: concentrations and patterns of PCBs, pesticides, PBDEs, PFCs, and PAHs. Sci Total Environ (2010) 1.03
Echinacea for preventing and treating the common cold. Planta Med (2008) 1.03
mRNA expression profiles for the response of human tumor cell lines to the antimalarial drugs artesunate, arteether, and artemether. Biochem Pharmacol (2002) 1.02
Effect of artemisinins and other endoperoxides on nitric oxide-related signaling pathway in RAW 264.7 mouse macrophage cells. Nitric Oxide (2008) 1.02
Ursolic acid from the Chinese herb danshen (Salvia miltiorrhiza L.) upregulates eNOS and downregulates Nox4 expression in human endothelial cells. Atherosclerosis (2007) 0.99
Circulating 25-hydroxyvitamin d levels in fully breastfed infants on oral vitamin d supplementation. Int J Endocrinol (2009) 0.97
Bioavailability and pharmacokinetics of alkamides from the roots of Echinacea angustifolia in humans. J Clin Pharmacol (2005) 0.96
Effect of metabolic syndrome and its components on recurrence and survival in colon cancer patients. Cancer (2012) 0.95
Antiparasitic compounds from Cupania cinerea with activities against Plasmodium falciparum and Trypanosoma brucei rhodesiense. J Nat Prod (2011) 0.95
Inhibition of leukotriene biosynthesis by quinolone alkaloids from the fruits of Evodia rutaecarpa. Planta Med (2004) 0.94
Obstetric and neonatal outcomes in grand multiparity. Obstet Gynecol (2004) 0.94
The endocannabinoid system as a target for alkamides from Echinacea angustifolia roots. Planta Med (2005) 0.93
Epidemiological studies on primipaternity and immunology in preeclampsia--a statement after twelve years of workshops. J Reprod Immunol (2011) 0.93
Alkamides from Echinacea inhibit cyclooxygenase-2 activity in human neuroglioma cells. Biochem Biophys Res Commun (2007) 0.93
Interaction of N-methyl-2-alkenyl-4-quinolones with ATP-dependent MurE ligase of Mycobacterium tuberculosis: antibacterial activity, molecular docking and inhibition kinetics. J Antimicrob Chemother (2011) 0.93
Antiinflammatory properties of the muscadine grape (Vitis rotundifolia). J Agric Food Chem (2005) 0.92
Maternal body mass index at delivery and risk of caesarean due to dystocia in low risk pregnancies. Acta Obstet Gynecol Scand (2008) 0.91
Flavonolignans from Avena sativa. J Nat Prod (2005) 0.91
Cytotoxicity and p-glycoprotein modulating effects of quinolones and indoloquinazolines from the Chinese herb Evodia rutaecarpa. Planta Med (2007) 0.91
Design, synthesis and antimycobacterial activities of 1-methyl-2-alkenyl-4(1H)-quinolones. Bioorg Med Chem (2010) 0.91
Parameter selection for and implementation of a web-based decision-support tool to predict extubation outcome in premature infants. BMC Med Inform Decis Mak (2006) 0.90
Assessment of anti-protozoal activity of plants traditionally used in Ecuador in the treatment of leishmaniasis. J Ethnopharmacol (2010) 0.89
Antimicrobial and cytotoxic isohexenylnaphthazarins from Arnebia euchroma (Royle) Jonst. (Boraginaceae) callus and cell suspension culture. Molecules (2012) 0.88
Susceptibility to infection and inflammatory response following influenza virus (H1N1, A/PR/8/34) challenge: role of macrophages. J Interferon Cytokine Res (2011) 0.88
Effect of prostaglandin duration on outcomes in transposition of the great arteries with intact ventricular septum. Congenit Heart Dis (2012) 0.88
The influence of race on fetal outcome. Am J Perinatol (2005) 0.88
Naphthoquinones from Onosma paniculata induce cell-cycle arrest and apoptosis in melanoma Cells. J Nat Prod (2012) 0.87
Preeclampsia and human reproduction. An essay of a long term reflection. J Reprod Immunol (2003) 0.87
Anti-inflammatory activity of two different extracts of Uncaria tomentosa (Rubiaceae). J Ethnopharmacol (2002) 0.87
Marine polyprenylated hydroquinones, quinones, and chromenols with inhibitory effects on leukotriene formation. Chem Biodivers (2005) 0.87
Obstetric and neonatal outcomes of adolescent primiparous singleton pregnancies: a cohort study in the South of Reunion Island, Indian Ocean. J Matern Fetal Neonatal Med (2012) 0.86
A petrol ether extract of the roots of Onosma paniculatum induces cell death in a caspase dependent manner. J Ethnopharmacol (2010) 0.86
Analyzing adherence to prenatal supplement: does pill count measure up? Int J Endocrinol (2010) 0.86
Early-onset severe preeclampsia: induction of labor vs elective cesarean delivery and neonatal outcomes. Am J Obstet Gynecol (2008) 0.86
Traditional Chinese medicine research in the post-genomic era: good practice, priorities, challenges and opportunities. J Ethnopharmacol (2012) 0.86
Anti-inflammatory phloroglucinol derivatives from Hypericum empetrifolium. Phytochem Lett (2008) 0.86
Polyacetylenes from Notopterygium incisum--new selective partial agonists of peroxisome proliferator-activated receptor-gamma. PLoS One (2013) 0.86
Qualitative and quantitative analysis of aconitine-type and lipo-alkaloids of Aconitum carmichaelii roots. J Chromatogr A (2008) 0.85
The role of personality and other factors in a mother's decision to initiate breastfeeding. J Hum Lact (2006) 0.85
Identification of isosilybin a from milk thistle seeds as an agonist of peroxisome proliferator-activated receptor gamma. J Nat Prod (2014) 0.85
Trace element concentrations in skin of free-ranging bottlenose dolphins (Tursiops truncatus) from the southeast Atlantic coast. Sci Total Environ (2007) 0.84
Echinacea stimulates macrophage function in the lung and spleen of normal rats. J Nutr Biochem (2002) 0.84
Discovering COX-inhibiting constituents of Morus root bark: activity-guided versus computer-aided methods. Planta Med (2005) 0.84
Inhibition of P-glycoprotein at the blood-brain barrier by phytochemicals derived from traditional Chinese medicine. Cancer Genomics Proteomics (2010) 0.84
Antimycobacterial activity of geranylated furocoumarins from Tetradium daniellii. Planta Med (2006) 0.83
Pharmacokinetics of the main alkamides after administration of three different Echinacea purpurea preparations in humans. Planta Med (2008) 0.83
A novel concept for detoxification: complexation between aconitine and liquiritin in a Chinese herbal formula ('Sini Tang'). J Ethnopharmacol (2013) 0.83
Synthesis of N-substituted 2-[(1E)-alkenyl]-4-(1H)-quinolone derivatives as antimycobacterial agents against non-tubercular mycobacteria. Eur J Med Chem (2011) 0.82
In vitro anti-inflammatory activity of larch (Larix decidua L.) sawdust. J Agric Food Chem (2008) 0.82
Breastfeeding rates at an urban medical university after initiation of an educational program. South Med J (2002) 0.82
The Effects of Early Neglect on Cognitive, Language, and Behavioral Functioning in Childhood. Psychology (Irvine) (2012) 0.82
Design and synthesis of ten biphenyl-neolignan derivatives and their in vitro inhibitory potency against cyclooxygenase-1/2 activity and 5-lipoxygenase-mediated LTB4-formation. Bioorg Med Chem (2009) 0.82
HPLC-MS trace analysis of atropine in Lycium barbarum berries. Phytochem Anal (2006) 0.81
An exploratory study of postpartum depression and vitamin d. J Am Psychiatr Nurses Assoc (2010) 0.81
CB receptor ligands from plants. Curr Top Med Chem (2008) 0.81
Anti-inflammatory 5-(11'Z-heptadecenyl)- and 5-(8'Z,11'Z-heptadecadienyl)-resorcinols from mango (Mangifera indica L.) peels. Phytochemistry (2007) 0.81
Surgeons' experience and interaction effect in randomized controlled trials regarding new surgical procedures. Am J Obstet Gynecol (2008) 0.81
Cultivation and breeding of Chinese medicinal plants in Germany. Planta Med (2010) 0.80
Web-based prediction of extubation outcome in premature infants on mechanical ventilation using an artificial neural network. AMIA Annu Symp Proc (2003) 0.80
Anti-oxidative and TNF-α suppressive activities of puerarin derivative (4AC) in RAW264.7 cells and collagen-induced arthritic rats. Eur J Pharmacol (2011) 0.80
Effect of costunolide and dehydrocostus lactone on cell cycle, apoptosis, and ABC transporter expression in human soft tissue sarcoma cells. Planta Med (2012) 0.80
Inhibition of leukotriene biosynthesis by stilbenoids from Stemona species. J Nat Prod (2005) 0.80
Characterization and identification of mycosporines-like compounds in cyanolichens. Isolation of mycosporine hydroxyglutamicol from Nephroma laevigatum Ach. Phytochemistry (2011) 0.79
Reduced emergency department utilization associated with school-based clinic enrollment. J Adolesc Health (2002) 0.79
Sesquiterpene lactones downregulate G2/M cell cycle regulator proteins and affect the invasive potential of human soft tissue sarcoma cells. PLoS One (2013) 0.79
Assessment of perfluorinated compounds (PFCs) in plasma of bottlenose dolphins from two southeast US estuarine areas: relationship with age, sex and geographic locations. Mar Pollut Bull (2011) 0.79
Inhibition of inducible nitric oxide synthase by bis(helenalinyl)glutarate in RAW264.7 macrophages. Biochem Pharmacol (2010) 0.79
Aconitum lipo-alkaloids--semisynthetic products of the traditional medicine. Nat Prod Commun (2011) 0.79
Pharmacokinetics and tissue distribution of dodeca-2E,4E,8E,10E/Z-tetraenoic acid isobutylamides after oral administration in rats. Planta Med (2009) 0.79
Associations between perfluoroalkyl compounds and immune and clinical chemistry parameters in highly exposed bottlenose dolphins (Tursiops truncatus). Environ Toxicol Chem (2013) 0.79
Activity-guided isolation of scopoletin and isoscopoletin, the inhibitory active principles towards CCRF-CEM leukaemia cells and multi-drug resistant CEM/ADR5000 cells, from Artemisia argyi. Planta Med (2006) 0.79
Pharmacokinetics of bilobalide, ginkgolide A and B after administration of three different Ginkgo biloba L. preparations in humans. Phytother Res (2010) 0.79
Inhibition of in vitro leukotriene B4 biosynthesis in human neutrophil granulocytes and docking studies of natural quinones. Nat Prod Commun (2013) 0.78
Estimating equations for cardiopulmonary exercise testing variables in Fontan patients: derivation and validation using a multicenter cross-sectional database. Pediatr Cardiol (2014) 0.78