TY - BOOK AU - World Health Organization TI - Quality control methods for medicinal plant materials SN - 92-4154510-0 U1 - 581.634 PY - 1998/// CY - Geneva PB - World Health Organization N1 - World Health Organization: Quality control methods for medicinal plant materials. Geneva. World Health Organization, 1998. 92-4154510-0--(581.634WOR) ER -