TY - BOOK AU - Schulz,Volker AU - Hänsel,Rudolf AU - Tyler,Varro E. TI - Rational phytotherapy: a physicians' guide to herbal medicine SN - 3540670963 (alk. paper) AV - RM666.H33 S3813 2001 U1 - 615/.321 21 PY - 2001/// CY - Berlin, New York PB - Springer KW - Herbs KW - Therapeutic use N1 - Includes bibliographical references and index ER -