Should the single subject design be regarded as a valid alternative to the randomised controlled trial?
Newcombe
R G
RG
Centre for Health Sciences Research, Department of Epidemiology, Statistics and Public Health, Wales College of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, UK. newcombe@cf.ac.uk
D019317:Evidence-Based Medicine; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D018401:Sample Size