TY - BOOK AU - Marshall,Charles W. TI - Vitamins and minerals: help or harm? T2 - A People's health library book SN - 0893130613 PY - 1983/// CY - Philadelphia PB - George F. Stickley Co. KW - Vitamins in human nutrition KW - Local KW - Vitamins KW - popular works KW - Minerals KW - Minerals in human nutrition N1 - Includes bibliographical references and index ER -