| Literature DB >> 14285275 |
Abstract
Keywords: CANADA; CAUCASIAN RACE; INDIANS, NORTH AMERICAN; MYCOBACTERIUM INFECTIONS; OCCUPATIONS; STATISTICS; TUBERCULIN TEST
Mesh:
Substances:
Year: 1965 PMID: 14285275
Source DB: PubMed Journal: Can J Public Health ISSN: 0008-4263