TY - BOOK AU - Evans, William Charles TI - Trease and Evans pharmacognosy SN - 0702026182 (pbk) U1 - 615.321 PY - 2002/// CY - Edinburgh PB - Saunders Elsevier KW - pharmacognosy KW - Traditional medicine KW - Crude drugs KW - Plant medicines KW - Carbohydrates KW - RIPS N1 - Includes index ER -