TY - JOUR T1 - Randomized controlled trials. JF - British Journal of General Practice JO - Br J Gen Pract SP - 520 LP - 520 VL - 41 IS - 353 AU - M K Thompson Y1 - 1991/12/01 UR - http://bjgp.org/content/41/353/520.3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -