1996a-311 biodiversityconservation conservationofnaturalresources drugindustry ecosystem fitness general health herbalmedications herbs industrie intellectualproperty lifesciences marketing materiamedica medical medicinal medicinalplants pharmacognosy pharmacology phytotherapy phytothérapie plantdiversityconservation plantesmédicinales plants qh75i611995 qv766m48641991 science therapeuticuse vegetable vegetablemateriamedica