| Literature DB >> 13312680 |
Abstract
Entities:
Keywords: BRONCHI/diseases; BRONCHITIS/statistics; EMPHYSEMA, PULMONARY/statistics; OCCUPATIONAL DISEASES
Mesh:
Substances:
Year: 1956 PMID: 13312680
Source DB: PubMed Journal: AMA Arch Ind Health ISSN: 0567-3933