PT - JOURNAL ARTICLE AU - M S Hall TI - Knowledge of drug costs DP - 1992 May 01 TA - British Journal of General Practice PG - 218--218 VI - 42 IP - 358 4099 - http://bjgp.org/content/42/358/218.2.short 4100 - http://bjgp.org/content/42/358/218.2.full SO - Br J Gen Pract1992 May 01; 42