| Literature DB >> 3438888 |
P A Reeve1, A D Harries, W A Nkhoma, D S Nyangulu, J J Wirima.
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Year: 1987 PMID: 3438888 PMCID: PMC461065 DOI: 10.1136/thx.42.12.986
Source DB: PubMed Journal: Thorax ISSN: 0040-6376 Impact factor: 9.139