| Thrombolysis compared with heparin for the initial treatment of pulmonary embolism: a meta-analysis of the randomized controlled trials | Circulation | 2004 | 451 |
| Salivary cortisol response to awakening in chronic fatigue syndrome | British Journal of Psychiatry | 2004 | 204 |
| Community pulmonary rehabilitation after hospitalisation for acute exacerbations of chronic obstructive pulmonary disease: randomised controlled study | BMJ, The | 2004 | 187 |
| Reduced-intensity allogeneic hematopoietic stem cell transplantation for myelodysplastic syndrome and acute myeloid leukemia with multilineage dysplasia using fludarabine, busulphan, and alemtuzumab (FBC) conditioning | Blood | 2004 | 179 |
| Treatment of erythropoietin-induced pure red cell aplasia: a retrospective study | Lancet, The | 2004 | 112 |
| The evolution of airway function in early childhood following clinical diagnosis of cystic fibrosis | American Journal of Respiratory and Critical Care Medicine | 2004 | 111 |
| The value of ultrasound in the prediction of successful induction of labor | Ultrasound in Obstetrics and Gynecology | 2004 | 99 |
| Investigation of occiput posterior delivery by intrapartum sonography | Ultrasound in Obstetrics and Gynecology | 2004 | 97 |
| Molecular diagnosis of haemoglobin disorders | International Journal of Laboratory Hematology | 2004 | 93 |
| Magnetic stimulation for the measurement of respiratory and skeletal muscle function | European Respiratory Journal | 2004 | 92 |
| Impaired spatial working memory in adults with attention-deficit/hyperactivity disorder: comparisons with performance in adults with borderline personality disorder and in control subjects | Acta Psychiatrica Scandinavica | 2004 | 83 |
| The impact of correcting for smoking status when screening for chromosomal anomalies using maternal serum biochemistry and fetal nuchal translucency thickness in the first trimester of pregnancy | Prenatal Diagnosis | 2004 | 79 |
| Pentoxifylline improves hemoglobin levels in patients with erythropoietin-resistant anemia in renal failure | Journal of the American Society of Nephrology: JASN | 2004 | 74 |
| Fetal middle cerebral artery peak systolic velocity in the investigation of non-immune hydrops | Ultrasound in Obstetrics and Gynecology | 2004 | 70 |
| Pulmonary function at follow-up of very preterm infants from the United Kingdom oscillation study | American Journal of Respiratory and Critical Care Medicine | 2004 | 58 |
| Effect of salmeterol on respiratory muscle activity during exercise in poorly reversible COPD | Thorax | 2004 | 58 |
| Counselling following a diagnosis of congenital heart disease | Prenatal Diagnosis | 2004 | 56 |
| High rates of clustering of strains causing tuberculosis in Harare, Zimbabwe: a molecular epidemiological study | Journal of Clinical Microbiology | 2004 | 54 |
| Almotriptan improves response rates when treatment is within 1 hour of migraine onset | Headache | 2004 | 53 |
| Demonstration of a second rapidly conducting cortico-diaphragmatic pathway in humans | Journal of Physiology | 2004 | 50 |
| Prediction of fetal anemia in rhesus disease by measurement of fetal middle cerebral artery peak systolic velocity | Ultrasound in Obstetrics and Gynecology | 2004 | 49 |
| Sonographic measurement of cervical length in twin pregnancies in threatened preterm labor | Ultrasound in Obstetrics and Gynecology | 2004 | 49 |
| Effects of exhaustive incremental treadmill exercise on diaphragm and quadriceps motor potentials evoked by transcranial magnetic stimulation | Journal of Applied Physiology | 2004 | 49 |
| Neuropsychological effects associated with temporal lobectomy and amygdalohippocampectomy depending on Wada test failure | Journal of Neurology, Neurosurgery and Psychiatry | 2004 | 47 |
| Randomized trial of effect of transdermal continuous combined hormone replacement therapy on cardiovascular risk markers | British Journal of Haematology | 2004 | 47 |
