Periodic examination of South African mine workers.
Frumkin
H
H
Clinical Epidemiology Unit, University of Pennsylvania School of medicine, 318R NEB 6095, Philadelphia, Pa. 19104.
Myers
J E
JE
Bachmann
O M
OM
D001741:Black or African American; D044383:Black People; D006801:Humans; D008171:Lung Diseases / Q000517:prevention & control*; D008906:Mining; D009784:Occupational Diseases / Q000517:prevention & control*; D009786:Occupational Health Services / Q000458:organization & administration*; D010808:Physical Examination; D011287:Prejudice; D013019:South Africa