TY - BOOK ED - The International Union for Conservation of Nature. ED - World Health Organization. ED - World Wide Fund Nature. TI - Guidelines on the conservation of medicinal plants SN - 2831701368 U1 - 581.634 PY - 1993/// CY - Gland, Switzerland PB - The International Union for Conservation of Nature and Natural Resources (IUNC), The World Health Organization (WHO), World Wide fund for Nature (WWF), KW - BOTANICA MEDICA ER -