| Literature DB >> 13404311 |
Abstract
Entities:
Keywords: BRONCHITIS/prevention and control; LUNG DISEASES/prevention and control; PENICILLIN/therapeutic use; SURGERY, OPERATIVE/complications
Mesh:
Substances:
Year: 1957 PMID: 13404311 PMCID: PMC1973209 DOI: 10.1136/bmj.1.5022.803
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447