Table of contents

Research Article

• Policies of the Office of Population Censuses and Surveys. Philosophy and constraints. (1 March, 1976)

  A M Adelstein
• A review of the National Health Service's computing policy in the 1970s. (1 March, 1976)

  M Alderson
• Malignancy in relatives of patients with coeliac disease. (1 March, 1976)

  P L Stokes, P Prior, T M Sorahan, R J McWalter, J A Waterhouse, W T Cooke
• Seasonal distribution of Henoch-Schönlein purpura. (1 March, 1976)

  S R Atkinson, D J Barker
• Anencephalus, Spina Bifida, twins, and teratoma. (1 March, 1976)

  S C Rogers
• Twinning and anencephalus occurrence in relation to fetus-fetus interaction. (1 March, 1976)

  J M Elwood
• Area differences in the incidence of neural tube defect and the rate of spontaneous abortion. (1 March, 1976)

  J Fedrick, P Adelstein
• Trace elements in water and congenital malformations of the central nervous system in South Wales. (1 March, 1976)

  M S Morton, P C Elwood, M Abernethy
• Screening for spina bifida cystica. A cost-benefit analysis. (1 March, 1976)

  S Hagard, F Carter, R G Milne
• Cost-effectiveness of two methods of screening for asymptomatic bacteriuria. (1 March, 1976)

  G Rich, N J Glass, J B Selkon
• Maintenance of weight loss in obese subjects. (1 March, 1976)

  A E Bender, D A Bender
• Incidence and variables contributing to onset of cigarette smoking among secondary school children and medical students in Lagos, Nigeria. (1 March, 1976)

  O O Elegbeleye, D Femi-Pearse