1. How to organise a multicentre trial;Warlow, C.;Br Med J,1990
2. Experiments on animals;Bodmer, W.;Br Medj,1990
3. Measuring blood pressure in the elderly: Does atrial fibrillation increase observer variability?;Sykes, D.; Dewar, R.; Mohanaruban, K.;BrMedj,1990