Ortega, Paul DDT in the diet of the rat: its effect on DDT storage, liver func tion and cell morphology / by Paul Ortega [and others] - Washington , 1956. - 27 p. : ill. - Public health monograph; no. 43 . Includes bibliographical references and index. Subjects--Topical Terms: DDT (Insecticide)-------- National Library of Medicine Call No.: WA 240 / Or8d 1956