| Literature DB >> 14337735 |
Abstract
Keywords: ANTIBIOTICS; BREATHING EXERCISES; BRONCHITIS; BRONCHODILATOR AGENTS; DRUG THERAPY; DYSPNEA; PULMONARY EMPHYSEMA; RESPIRATORY FUNCTION TESTS; STATISTICS
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Year: 1965 PMID: 14337735 PMCID: PMC1846091 DOI: 10.1136/bmj.2.5463.680
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447