00589nam a22001697a 4500 0702026182 (pbk) 9780702026188 (pbk) 615.321 EVA Evans, William harles Trease and Evans pharmacognosy China Saunders Elsevier 2002 viii, 585 p. : ill. ; 28 cm. Included Index Pharmacology pharmacognosy Sources of drugs Crude drugs Plant medicines Carbohydrates Miscellaneous isoprenoids Traditional medicine Alkaloids RIPS BK 9339 9339