TY - BOOK AU - World Health Organization TI - Guidelines on the conservation of Medicinal Plants SN - 2831701368 U1 - 615.321/W92711/08.3.148 PY - 1993/// CY - Switzerland KW - PLANT CONSERVATION. MEDICINAL PLANTS. MEDICINAL PLANTS // PROTECTION. PLANT CONSERVATION ENDANGERED PLANTS OVERSEAS ITEM NOTES PUBLISHED IN PART ER -