TY - BOOK AU - Evans,William Charles, Trease, Georg Edward AU - x TI - Trease and Evans pharm a cognosy: x SN - 07020 261 74 U1 - 651.321/E92t PY - 2002/// CY - London PB - W.B. Saunders KW - Pharmacognosy KW - Pharmacognory N1 - Includes ER -