Clark, Duncan W. Preventive medicine / by 39 authors ; edited by Duncan W. Clark and Brian MacMahon. - [1st ed.]. - Boston : Little, Brown, [1967] Includes bibliographies. LCCN: 66018362 //r88 Subjects--Topical Terms: Medicine, Preventive. LC Class. No.: RA425 / .C55 Dewey Class. No.: 614.4/4