Published in Thorax on October 01, 1998
Association between changes in air pollution levels during the Beijing Olympics and biomarkers of inflammation and thrombosis in healthy young adults. JAMA (2012) 3.52
Association of asthma symptoms with peak particulate air pollution and effect modification by anti-inflammatory medication use. Environ Health Perspect (2002) 1.85
Short term effects of airborne pollen concentrations on asthma epidemic. Thorax (2003) 1.68
Outdoor air pollution and emergency department visits for asthma among children and adults: a case-crossover study in northern Alberta, Canada. Environ Health (2007) 1.55
Cardiorespiratory biomarker responses in healthy young adults to drastic air quality changes surrounding the 2008 Beijing Olympics. Res Rep Health Eff Inst (2013) 1.45
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A tale of two cities: effects of air pollution on hospital admissions in Hong Kong and London compared. Environ Health Perspect (2002) 1.31
Association between air pollution and asthma admission among children in Hong Kong. Clin Exp Allergy (2006) 1.22
Air pollution from biomass burning and asthma hospital admissions in a sugar cane plantation area in Brazil. J Epidemiol Community Health (2007) 1.15
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Ultrafine particles and nitrogen oxides generated by gas and electric cooking. Occup Environ Med (2001) 1.10
Asthma and PM10. Respir Res (2000) 1.10
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Effect of nitrogen dioxide and ozone on the risk of dying in patients with severe asthma. Thorax (2002) 1.04
Increased ultrafine particles and carbon monoxide concentrations are associated with asthma exacerbation among urban children. Environ Res (2014) 1.03
Fungal and other spore counts as predictors of admissions for asthma in the Trent region. Occup Environ Med (2000) 0.96
Who is more affected by ozone pollution? A systematic review and meta-analysis. Am J Epidemiol (2014) 0.95
Malondialdehyde in exhaled breath condensate and urine as a biomarker of air pollution induced oxidative stress. J Expo Sci Environ Epidemiol (2013) 0.94
Air pollution and daily hospitalization rates for cardiovascular and respiratory diseases in London, Ontario. Int J Environ Stud (2005) 0.89
Pollen loads and allergic rhinitis in Darwin, Australia: a potential health outcome of the grass-fire cycle. Ecohealth (2009) 0.82
An evaluation of the environmental and health effects of vehicle exhaust catalysts in the UK. Environ Health Perspect (2004) 0.81
Associations between air pollution and peak expiratory flow among patients with persistent asthma. J Toxicol Environ Health A (2009) 0.80
Using community level strategies to reduce asthma attacks triggered by outdoor air pollution: a case crossover analysis. Environ Health (2014) 0.80
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Interaction of ambient air pollution with asthma medication on exhaled nitric oxide among asthmatics. Arch Environ Occup Health (2009) 0.78
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Air pollution, aeroallergens and admissions to pediatric emergency room for respiratory reasons in Turin, northwestern Italy. BMC Public Health (2016) 0.75
Progress in the impact of polluted meteorological conditions on the incidence of asthma. J Thorac Dis (2016) 0.75
Particulate air pollution and hospital emergency room visits for asthma in Seattle. Am Rev Respir Dis (1993) 6.41
Seasonal variation and time trends in childhood asthma in England and Wales 1975-81. Br Med J (Clin Res Ed) (1984) 5.09
Methodological issues in studies of air pollution and daily counts of deaths or hospital admissions. J Epidemiol Community Health (1996) 4.44
Effects of low ambient levels of ozone and sulfates on the frequency of respiratory admissions to Ontario hospitals. Environ Res (1994) 4.19
Asthma and air pollution in the Los Angeles area. Am J Public Health (1980) 4.02
Effect of low concentrations of ozone on inhaled allergen responses in asthmatic subjects. Lancet (1991) 3.92
Short term effects of air pollution on health: a European approach using epidemiologic time series data: the APHEA protocol. J Epidemiol Community Health (1996) 3.90
Air pollution and daily mortality in Philadelphia. Epidemiology (1995) 3.85
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Community outbreaks of asthma associated with inhalation of soybean dust. Toxicoepidemiological Committee. N Engl J Med (1989) 3.16
Temporal association between hospital admissions for asthma in Birmingham and ambient levels of sulphur dioxide and smoke. Thorax (1994) 3.14
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Asthma attack periodicity: a study of hospital emergency visits in Vancouver. Environ Res (1990) 3.08
Respiratory hospital admissions and summertime haze air pollution in Toronto, Ontario: consideration of the role of acid aerosols. Environ Res (1994) 2.47
Urban air pollution and emergency admissions for asthma in four European cities: the APHEA Project. Thorax (1997) 2.31
Epidemiologic studies on short-term effects of low levels of major ambient air pollution components. Environ Health Perspect (1995) 2.29
A multi-year study of air pollution and respiratory hospital admissions in three New York State metropolitan areas: results for 1988 and 1989 summers. J Expo Anal Environ Epidemiol (1993) 2.26
Effects of air pollution on the respiratory health of asthmatic children living in Mexico City. Am J Respir Crit Care Med (1996) 2.17
Association of severe asthma attacks with weather, pollen, and air pollutants. Thorax (1993) 2.15
Effects of air pollution on daily hospital admissions for respiratory disease in London between 1987-88 and 1991-92. J Epidemiol Community Health (1996) 2.02
Daily asthma severity in relation to personal ozone exposure and outdoor fungal spores. Am J Respir Crit Care Med (1996) 1.90
Effect of nitrogen dioxide and sulphur dioxide on airway response of mild asthmatic patients to allergen inhalation. Lancet (1994) 1.83
Short-term association between air pollution and emergency room visits for asthma in Barcelona. Thorax (1995) 1.74
Short term respiratory health effects of ambient air pollution: results of the APHEA project in Paris. J Epidemiol Community Health (1996) 1.63
Effects of urban air pollutants on emergency visits for childhood asthma in Mexico City. Am J Epidemiol (1995) 1.62
The effect of ozone associated with summertime photochemical smog on the frequency of asthma visits to hospital emergency departments. Environ Res (1992) 1.56
Passive smoking, air pollution, and acute respiratory symptoms in a diary study of student nurses. Am Rev Respir Dis (1990) 1.41
Association between ozone and asthma emergency department visits in Saint John, New Brunswick, Canada. Environ Health Perspect (1996) 1.40
Short term effects of air pollution on emergency hospital admissions for respiratory disease: results of the APHEA project in two major cities in The Netherlands, 1977-89. J Epidemiol Community Health (1996) 1.35
The effect of ozone exposure on allergen responsiveness in subjects with asthma or rhinitis. Am J Respir Crit Care Med (1996) 1.33
Asthma and ambient air pollution in Helsinki. J Epidemiol Community Health (1996) 1.21
Grass pollen, thunderstorms and asthma. Clin Exp Allergy (1993) 1.20
The relationship of urgent hospital admissions for respiratory illnesses to photochemical air pollution levels in Montreal. Environ Res (1994) 1.20
Fungus spores, air pollutants, and other determinants of peak expiratory flow rate in children. Am J Epidemiol (1996) 1.15
Statistical methods for assessing agreement between two methods of clinical measurement. Lancet (1986) 211.50
Diagnostic tests 2: Predictive values. BMJ (1994) 12.97
Diagnostic tests. 1: Sensitivity and specificity. BMJ (1994) 11.35
Absence of evidence is not evidence of absence. BMJ (1995) 10.36
Transmission of Mycobacterium tuberculosis from patients smear-negative for acid-fast bacilli. Lancet (1999) 10.06
Statistics notes: the normal distribution. BMJ (1995) 6.82
Association of Helicobacter pylori and Chlamydia pneumoniae infections with coronary heart disease and cardiovascular risk factors. BMJ (1995) 6.28
Comparison of clinical information gained from routine blood-gas analysis and from gastric tonometry for intramural pH. Lancet (1993) 5.90
Statistics notes. Treatment allocation in controlled trials: why randomise? BMJ (1999) 5.86
How to randomise. BMJ (1999) 5.24
Air pollution and daily mortality in London: 1987-92. BMJ (1996) 4.97
Comparing several groups using analysis of variance. BMJ (1996) 4.89
Methodological issues in studies of air pollution and daily counts of deaths or hospital admissions. J Epidemiol Community Health (1996) 4.44
Health effects of passive smoking-10: Summary of effects of parental smoking on the respiratory health of children and implications for research. Thorax (1999) 4.43
Time to event (survival) data. BMJ (1998) 4.29
The natural history of asthma in childhood. J Epidemiol Community Health (1986) 4.09
The intracluster correlation coefficient in cluster randomisation. BMJ (1998) 4.07
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The development of respiratory symptoms in a cohort of Kent schoolchildren. Bull Physiopathol Respir (Nancy) (1975) 3.78
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Surgery on the rheumatoid cervical spine for the non-ambulant myelopathic patient-too much, too late? Lancet (1996) 3.52
Trends in prevalence and severity of childhood asthma. BMJ (1994) 3.51
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Analysis of a trial randomised in clusters. BMJ (1998) 3.10
Burden of allergic disease in the UK: secondary analyses of national databases. Clin Exp Allergy (2004) 2.93
Detecting skewness from summary information. BMJ (1996) 2.88
Time trends in allergic disorders in the UK. Thorax (2006) 2.83
Sample size in cluster randomisation. BMJ (1998) 2.82
Seasonality of tuberculosis: the reverse of other respiratory diseases in the UK. Thorax (1996) 2.82
Quartiles, quintiles, centiles, and other quantiles. BMJ (1994) 2.68
Prenatal paracetamol exposure and risk of asthma and elevated immunoglobulin E in childhood. Clin Exp Allergy (2005) 2.65
Factors associated with the starting of cigarette smoking by primary school children. Br J Prev Soc Med (1974) 2.61
C-reactive protein: relation to total mortality, cardiovascular mortality and cardiovascular risk factors in men. Eur Heart J (2000) 2.59
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Long-term study of smoking by secondary schoolchildren. Arch Dis Child (1978) 2.54
Relation of serum cytokine concentrations to cardiovascular risk factors and coronary heart disease. Heart (1997) 2.50
Health effects of passive smoking. 3. Parental smoking and prevalence of respiratory symptoms and asthma in school age children. Thorax (1997) 2.48
Phase II of the International Study of Asthma and Allergies in Childhood (ISAAC II): rationale and methods. Eur Respir J (2004) 2.36
Asthma from birth to age 23: incidence and relation to prior and concurrent atopic disease. Thorax (1992) 2.29
The relationship of per capita gross national product to the prevalence of symptoms of asthma and other atopic diseases in children (ISAAC). Int J Epidemiol (2001) 2.27
Randomised controlled trial of effects of coordinating care for terminally ill cancer patients. BMJ (1992) 2.26
Fibrinogen: a link between chronic infection and coronary heart disease. Lancet (1994) 2.19
Determinants of passive smoking in children in Edinburgh, Scotland. Am J Public Health (1992) 2.17
Health effects of passive smoking. 9. Parental smoking and spirometric indices in children. Thorax (1998) 2.16
Academic performance and social factors related to cigarette smoking by schoolchildren. Br J Prev Soc Med (1977) 2.15
Helicobacter pylori infection in childhood: risk factors and effect on growth. BMJ (1994) 2.15
The prevalence and natural history of wheezing in early childhood. J R Coll Gen Pract (1985) 2.15
Serum insulin-like growth factor-1 is not a useful marker of prostate cancer. BJU Int (1999) 2.14
Investigation into the increase in hay fever and eczema at age 16 observed between the 1958 and 1970 British birth cohorts. BMJ (1997) 2.09
A new, minimally invasive technique for measuring cardiac index: clinical comparison of continuous cardiac dynamic monitoring and pulmonary artery catheter methods. Anaesthesia (2009) 2.04
Uteroplacental arterial changes related to interstitial trophoblast migration in early human pregnancy. Placenta (1983) 2.03
Effects of air pollution on daily hospital admissions for respiratory disease in London between 1987-88 and 1991-92. J Epidemiol Community Health (1996) 2.02
Is the clinical trial evidence about new drugs statistically adequate? Br J Clin Pharmacol (1985) 2.01
Smoking and respiratory symptoms in two groups of schoolchildren. Prev Med (1976) 2.01
Chronic exposure to outdoor air pollution and lung function in adults. Thorax (2009) 1.98
Health effects of an air pollution episode in London, December 1991. Thorax (1995) 1.98
Positionally cloned asthma susceptibility gene polymorphisms and disease risk in the British 1958 Birth Cohort. Thorax (2009) 1.96
Ethnic variation in respiratory morbidity and lung function in childhood. Thorax (1987) 1.94
Unequal cluster sizes for trials in English and Welsh general practice: implications for sample size calculations. Stat Med (2001) 1.93
C-reactive protein concentration in children: relationship to adiposity and other cardiovascular risk factors. Atherosclerosis (2000) 1.90
Sex-specific antenatal reference growth charts for uncomplicated singleton pregnancies at 15-40 weeks of gestation. Ultrasound Obstet Gynecol (2004) 1.89
Plasma proinflammatory cytokine concentrations, Acute Physiology and Chronic Health Evaluation (APACHE) III scores and survival in patients in an intensive care unit. Crit Care Med (1996) 1.86
Short-term associations between outdoor air pollution and mortality in London 1992-4. Occup Environ Med (1999) 1.85
Passive exposure to tobacco smoke in children aged 5-7 years: individual, family, and community factors. BMJ (1994) 1.82
Loss and representativeness in a biomedical survey at age 45 years: 1958 British birth cohort. J Epidemiol Community Health (2008) 1.80
Angiotensin-converting enzyme gene deletion polymorphism. A new risk factor for lacunar stroke but not carotid atheroma. Stroke (1995) 1.77
Handedness and longevity: archival study of cricketers. BMJ (1995) 1.76
Relationship between respiratory morbidity in children and the home environment. Fam Pract (1986) 1.73
Prospective relations between Helicobacter pylori infection, coronary heart disease, and stroke in middle aged men. Heart (1996) 1.73
The effects of adiposity and weight change on forced expiratory volume decline in a longitudinal study of adults. Int J Obes Relat Metab Disord (1999) 1.72
Effects of exposure to gas cooking in childhood and adulthood on respiratory symptoms, allergic sensitization and lung function in young British adults. Clin Exp Allergy (1999) 1.71
Statistics notes. Units of analysis. BMJ (1997) 1.70
The home environment and asthma symptoms in childhood: two population based case-control studies 13 years apart. Thorax (1997) 1.65
Relation of passive smoking as assessed by salivary cotinine concentration and questionnaire to spirometric indices in children. Thorax (1993) 1.65
Childhood eczema: disease of the advantaged? BMJ (1994) 1.61
Cough hypersensitivity syndrome: a distinct clinical entity. Lung (2010) 1.61
The effect of anxiety and depression during pregnancy on obstetric complications. Br J Obstet Gynaecol (1993) 1.60
Climate and the prevalence of symptoms of asthma, allergic rhinitis, and atopic eczema in children. Occup Environ Med (2004) 1.60
Tuberculosis in Mexican-born persons in San Francisco: reactivation, acquired infection and transmission. Int J Tuberc Lung Dis (1997) 1.57
Acute effects of winter air pollution on respiratory function in schoolchildren in southern England. Occup Environ Med (2003) 1.57
Time trends in respiratory symptoms in childhood over a 24 year period. Arch Dis Child (1993) 1.55
Passive smoking and sudden infant death syndrome: review of the epidemiological evidence. Thorax (1997) 1.55
Respiratory symptoms and home environment in children: a national survey. Thorax (1999) 1.54
Absence of evidence is not evidence of absence. Aust Vet J (1996) 1.54
Lack of evidence for a protective effect of prolonged breastfeeding on childhood eczema: lessons from the International Study of Asthma and Allergies in Childhood (ISAAC) Phase Two. Br J Dermatol (2011) 1.54
Diagnosis of pulmonary tuberculosis by flexible fiberoptic bronchoscopy. Am Rev Respir Dis (1979) 1.53