their role in health and biodiversity Tomlinson, Timothy R. Akerele, Olayiwola. text bibliography conference publication pau Philadelphia University of Pennsylvania Press 1998 monographic eng

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xii, 221 p. : ill. ; 24 cm. edited by Timothy R. Tomlinson and Olayiwola Akerele. "Proceedings of an international symposium cosponsored by the Morris Arboretum of the University of Pennsylvania and the World Health Organization, Philadelphia, Pennsylvania, April 1993"--P. facing t.p. Includes bibliographical references and index. Materia medica, Vegetable Congresses Medicinal plants Congresses Botany, Medical Congresses RS164 .M373 1998 615/.32 0812234316 (cloth : alk. paper) 9780812234312 98010113 DLC 980116 20000614090851.0 4505396