TY - BOOK AU - McCollum,E.V. AU - Keiles,Elsa Orent AU - Day,Harry G. TI - The newer knowledge of nutrition U1 - 574.13 22 PY - 1939/// CY - New York PB - The Macmillan Company KW - Nutrition KW - Diet KW - Botany N1 - Includes bibliographical references and index ER -