Medicinal plants in Viet Nam Nguy����n, V��n D��n World Health Organization. Medicinal plants Medicinal plants Materia medica, Vegetable 581 INS 1989 C143 Or. "Prepared under the guidance of Professor Nguyen Van Dan ... and Professor Doan Thi Nhu"--P. xv Translated from Vietnamese by Nguyen Tuong Dung and others Includes indexes Manila : World Health Organization, Regional Office for the Western Pacific ; Hanoi : Institute of Materia Medica, 1990, c1989 1990, c1989 Text xxix, 410 p. : vie