| Literature DB >> 13952928 |
Abstract
Entities:
Keywords: BRONCHITIS; CHRONIC DISEASE; PULMONARY EMPHYSEMA
Mesh:
Year: 1963 PMID: 13952928 PMCID: PMC1253849 DOI: 10.2105/ajph.53.suppl_3.7
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572