PT - JOURNAL ARTICLE AU - Joseph Herman TI - Polarities in medicine DP - 1994 Dec 01 TA - British Journal of General Practice PG - 543--544 VI - 44 IP - 389 4099 - http://bjgp.org/content/44/389/543.short 4100 - http://bjgp.org/content/44/389/543.full SO - Br J Gen Pract1994 Dec 01; 44