| Drugs and the liver. Part 1: Testing liver function | Biopharmaceutics and Drug Disposition | 1991 | 218 |
| The genetics of schizophrenia is the genetics of neurodevelopment | British Journal of Psychiatry | 1991 | 179 |
| Relation of fetal blood gases and data from computer-assisted analysis of fetal heart rate patterns in small for gestation fetuses | BJOG: an International Journal of Obstetrics and Gynaecology | 1991 | 88 |
| Cytodiagnosis in the management of extrahepatic biliary stricture | Gut | 1991 | 76 |
| Fetal nuchal cystic hygromata: associated malformations and chromosomal defects | Fetal Diagnosis and Therapy | 1991 | 65 |
| Postviral fatigue syndrome and psychiatry | British Medical Bulletin | 1991 | 58 |
| Disposition of morphine-6-glucuronide and morphine in healthy volunteers | British Journal of Anaesthesia | 1991 | 51 |
| Fetal acidosis and hyperlacticaemia diagnosed by cordocentesis in pregnancies complicated by maternal diabetes mellitus | Diabetic Medicine | 1991 | 49 |
| Can future suicidal behaviour in depressed patients be predicted? | Journal of Affective Disorders | 1991 | 45 |
| Amenorrhoea in women with non-alcoholic chronic liver disease | Gut | 1991 | 44 |
| Decreased growth velocity before IDDM onset | Diabetes | 1991 | 37 |
| Randomized study of early amniocentesis versus chorionic villus sampling: a technical and cytogenetic comparison of 650 patients | Ultrasound in Obstetrics and Gynecology | 1991 | 36 |
| Relationship of symptoms to lung function abnormalities in preterm infants at follow-up | Pediatric Pulmonology | 1991 | 36 |
| Influence of neuropathy on the microvascular response to local heating in the human diabetic foot | Clinical Science | 1991 | 35 |
| Liver disease in infancy: a 20 year perspective | Gut | 1991 | 32 |
| Patients' access to their own psychiatric records | BMJ: British Medical Journal | 1991 | 29 |
| Hyperinflation in children with liver disease due to alpha-1-antitrypsin deficiency | Pediatric Pulmonology | 1991 | 29 |
| HLA-DRB and DQB typing by a combination of serology, restriction fragment length polymorphism analysis and oligonucleotide probing | International Journal of Immunogenetics | 1991 | 26 |
| Psychosis in migrants from the Indian subcontinent and English-born controls. A preliminary study on the use of psychiatric services | British Journal of Psychiatry | 1991 | 25 |
| Day care in an inner city. II. Quality of the services | British Journal of Psychiatry | 1991 | 22 |
| Importance of using lung function regression equations appropriate for ethnic origin | Pediatric Pulmonology | 1991 | 20 |
| Fetal brain development and later schizophrenia | Novartis Foundation Symposium | 1991 | 19 |
| Detection of HBV-DNA using a digoxigenin-labelled probe. A rapid technique without loss of sensitivity | Journal of Hepatology | 1991 | 18 |
| Urethral pressures: analysis of transmission pressure ratios | British Journal of Urology | 1991 | 17 |
| Significance of IgM anti-hepatitis D virus (HDV) in chronic HDV infection | Journal of Medical Virology | 1991 | 17 |
