Poisoning and intoxication by trace elements in children : an abstract review of the worldwide medical literature 1966-1971 / prepared by Excerpta Medica
[Washington, D.C.?] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, Bureau of Community Environmental Management, Division of Community Injury Control : for sale by the Supt. of Docs., U.S. G.P.O., 1973