Cowen, D L The impact of the materia medica of the North American Indians on professional practice. [electronic resource] - Veroffentlichungen der Internationalen Gesellschaft fur Geschichte der Pharmazie e. V 1984 - 51-63 p. digital Publication Type: Historical Article; Journal Article ISSN: 0074-9729 Subjects--Topical Terms: AmericasHistory of PharmacyHistory, AncientHistory, Early Modern 1451-1600History, MedievalHistory, Modern 1601-Medicine, Traditional--history