PT - JOURNAL ARTICLE AU - M K Thompson TI - Randomized controlled trials. DP - 1991 Dec 01 TA - British Journal of General Practice PG - 520--520 VI - 41 IP - 353 4099 - http://bjgp.org/content/41/353/520.3.short 4100 - http://bjgp.org/content/41/353/520.3.full SO - Br J Gen Pract1991 Dec 01; 41