TY - BOOK AU - Hanson, Bryan Abbott , 1959- TI - Understanding medicinal plants : their chemistry and therapeutic action SN - 0789015528 AV - RS164.H36 2005 PB - Haworth Herbal Press KW - Materia medica , Vegetable - Popular works KW - Medicinal plants - Popular works KW - Botanical chemistry - Popular works KW - RS N1 - Includes bibliographical references (p. 279-289) and index ER -