Aykroyd, W. R. Conquest of deficiency diseases achievements and prospects, by W. R. Aykroyd - World Health Organization : Geneva ; H.M.S.O. : London 1970 - 98 p. : ill. ; 23 cm. - Freedom from hunger campaign. Basic study no.24 . Includes bibliographical references. ISBN: 0119502240 LCCN: 72-592687 //r852 Subjects--Topical Terms: Deficiency diseases