MCDOWALL , M . E . THE IDENTIFICATION OF MAN-MADE ENVIRONMENTAL HAZARDS TO HEALTH A manual of epidemiology MICHAEL E . MCDOWALL - GREAT BRITAIN MACMILLAN PRESS LTD 1987 - viii,140p.:ill.; Hbk ISBN: 0333412907 LC Class. No.: RA651 .A6 .M3 1987