Concepedia

Abstract

1From the Division of Ambulatory and Community Medicine (Occupational Medical Group), University of California at San Francisco, P.O. Box 7604, Rincon Annex, San Francisco, CA 94120 2From the Medical Department, ASARCO INC., P.O. Box 1677, Tacoma, WA 98401 3From the Environmental Affairs, ASARCO INC., 120 Broadway, New York, NY 10005