J Keegan

Author PubWeight™ 44.86‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 New helper cells and matched early region 1-deleted adenovirus vectors prevent generation of replication-competent adenoviruses. Hum Gene Ther 1998 2.37
2 Airborne infection. Theoretical limits of protection achievable by building ventilation. Am Rev Respir Dis 1991 1.87
3 Ischemia in the ambulatory setting--the total ischemic burden: relation to exercise testing and investigative and therapeutic implications. J Am Coll Cardiol 1989 1.54
4 Pulmonary artery pressure changes during exercise and daily activities in chronic heart failure. J Am Coll Cardiol 1990 1.53
5 Predictors of prognosis in severe chronic heart failure. Am Heart J 1992 1.46
6 Silent myocardial ischaemia in chronic stable angina: a study of its frequency and characteristics in 150 patients. Br Heart J 1988 1.35
7 Coronary artery imaging in grown up congenital heart disease: complementary role of magnetic resonance and x-ray coronary angiography. Circulation 2000 1.26
8 MR navigator-echo monitoring of temporal changes in diaphragm position: implications for MR coronary angiography. J Magn Reson Imaging 1997 1.24
9 Molecular characterization of replication-competent variants of adenovirus vectors and genome modifications to prevent their occurrence. J Virol 1996 1.22
10 Circadian variation of total ischaemic burden and its alteration with anti-anginal agents. Lancet 1988 1.10
11 Phase ordering with automatic window selection (PAWS): a novel motion-resistant technique for 3D coronary imaging. Magn Reson Med 2000 1.02
12 Calculation of a subject-specific adaptive motion-correction factor for improved real-time navigator echo-gated magnetic resonance coronary angiography. J Cardiovasc Magn Reson 1999 1.02
13 Navigator echoes in cardiac magnetic resonance. J Cardiovasc Magn Reson 2001 1.01
14 The E23 early gene of Drosophila encodes an ecdysone-inducible ATP-binding cassette transporter capable of repressing ecdysone-mediated gene activation. Proc Natl Acad Sci U S A 2000 1.00
15 Changes in pulmonary microvascular permeability accompanying re-expansion oedema: evidence from dual isotope scintigraphy. Thorax 1990 0.98
16 Determination of chlorpyrifos and its major breakdown products in technical formulations. Bull Environ Contam Toxicol 1991 0.91
17 Circadian variation of heart rate is affected by environment: a study of continuous electrocardiographic monitoring in members of a symphony orchestra. Br Heart J 1990 0.88
18 Magnetic resonance imaging of coronary arteries: technique and preliminary results. Br Heart J 1993 0.87
19 The effect of dynamic vessel motion on haemodynamic parameters in the right coronary artery: a combined MR and CFD study. Br J Radiol 2009 0.87
20 Assessment of coronary artery stenosis by magnetic resonance imaging. Heart 1996 0.87
21 Safety and preliminary findings with the intravascular contrast agent NC100150 injection for MR coronary angiography. J Magn Reson Imaging 1999 0.86
22 Use of respiratory biofeedback and CLAWS for increased navigator efficiency for imaging the thoracic aorta. Magn Reson Med 2011 0.86
23 Characteristics of silent and painful ischaemia during ambulatory monitoring in patients with coronary arterial disease. Int J Cardiol 1990 0.86
24 Hybrid ordered phase encoding (HOPE): an improved approach for respiratory artifact reduction. J Magn Reson Imaging 1998 0.86
25 Dual contrast TrueFISP imaging for left ventricular segmentation. Magn Reson Med 2001 0.85
26 Anomalous coronary arteries: anatomic and functional assessment by coronary and perfusion cardiovascular magnetic resonance in three sisters. J Cardiovasc Magn Reson 2001 0.85
27 A fully automatic and highly efficient navigator gating technique for high-resolution free-breathing acquisitions: Continuously adaptive windowing strategy. Magn Reson Med 2010 0.85
28 Measurement of left ventricular volume after anterior myocardial infarction: comparison of magnetic resonance imaging, echocardiography, and radionuclide ventriculography. Int J Cardiovasc Imaging 2002 0.84
29 Silent myocardial ischaemia in patients referred for coronary bypass surgery because of angina: a comparison with patients whose symptoms were well controlled on medical treatment. Br Heart J 1989 0.83
30 Three-dimensional coronary MR angiography using zonal echo planar imaging. Magn Reson Med 1998 0.82
31 Non-breath-hold lung magnetic resonance imaging with real-time navigation. MAGMA 1997 0.81
32 Use of the intravascular contrast agent NC100150 injection in spin-echo and gradient-echo imaging of the heart. J Cardiovasc Magn Reson 1999 0.81
33 Primary aromatic amine migration from polyamide kitchen utensils: method development and product testing. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2011 0.81
34 Therapeutic implications of dynamic coronary stenosis in patients with single vessel coronary artery disease. Eur Heart J 1991 0.80
35 3D coronary artery imaging with phase reordering for improved scan efficiency. Magn Reson Med 1999 0.80
36 Reduced pulmonary microvascular permeability in severe chronic left heart failure. Am Heart J 1992 0.79
37 The influence of right heart catheterisation on pulmonary arterial pressure in chronic heart failure: relationship to neuroendocrinal changes. Int J Cardiol 1991 0.79
38 Left ventricular quantification in heart failure by cardiovascular MR using prospective respiratory navigator gating: comparison with breath-hold acquisition. J Magn Reson Imaging 2000 0.78
39 Effects of coronary artery bypass surgery and angioplasty on the total ischemic burden: a study of exercise testing and ambulatory ST segment monitoring. Am Heart J 1992 0.78
40 Magnetic resonance navigator echo diaphragm monitoring in patients with suspected diaphragm paralysis. J Magn Reson Imaging 1999 0.78
41 Differences between normal subjects and patients with coronary artery disease for three different MR coronary angiography respiratory suppression techniques. J Magn Reson Imaging 1999 0.77
42 Comments and findings from a naltrexone double blind study. NIDA Res Monogr 1976 0.77
43 A comparison between segmented k-space FLASH and interleaved spiral MR coronary angiography sequences. J Magn Reson Imaging 2000 0.77
44 Improved cine cardiovascular magnetic resonance using Clariscan (NC100150 injection). J Cardiovasc Magn Reson 2001 0.77
45 First-pass myocardial perfusion imaging and equilibrium signal changes using the intravascular contrast agent NC100150 injection. J Magn Reson Imaging 1999 0.77
46 Tracking local volume 3D-echo-planar coronary artery imaging. Magn Reson Med 2001 0.77
47 Left ventricular volume in thrombolysed patients with acute anterior myocardial infarction: the effect of captopril and xamoterol. Int J Cardiol 1995 0.76
48 Pulmonary microvascular permeability in patients with severe mitral stenosis. Br Heart J 1991 0.75
49 Chromatographic analysis of cis- and trans-mevinphos in poisoned wildlife. J Chromatogr 1992 0.75
50 Stability of 99Tcm-DTPA injection: effect of delay after preparation, dilution, generator oxidant, air and oxygen. Nucl Med Commun 1985 0.75
51 Magnetic resonance coronary angiography in heart transplant recipients. Coron Artery Dis 1996 0.75
52 Atenolol or nicardipine alone is as efficacious in stable angina as their combination: a double blind randomised trial. Int J Cardiol 1993 0.75
53 Design of a highly stable, high-conversion-efficiency, optical parametric chirped-pulse amplification system with good beam quality. Opt Express 2003 0.75
54 Direct identification and quantitation of prednisone in the presence of overlapping hydrocortisone by liquid chromatography with electrospray and atmospheric-pressure chemical-ionisation mass spectrometry. J Chromatogr A 2000 0.75
55 Motion-selective encoding for fast cine imaging. Magn Reson Med 1999 0.75
56 MRA of coronary arteries overcomes early limitations. Diagn Imaging (San Franc) 1993 0.75
57 Identification of n-acetylmethamphetamine in a sample of illicitly synthesized methamphetamine. J Forensic Sci 1996 0.75
58 Circadian patterns of myocardial ischemia. Am Heart J 1989 0.75
59 Analysis of tissues of ducks poisoned by alpha-chloralose. Vet Hum Toxicol 1991 0.75
60 Ambulatory ST segment monitoring in the assessment of patients following PTCA. Eur Heart J 1989 0.75
61 Evaluation of free-breathing three-dimensional magnetic resonance coronary angiography with hybrid ordered phase encoding (HOPE) for the detection of proximal coronary artery stenosis. J Magn Reson Imaging 2001 0.75