| Literature DB >> 4413399 |
E A Lefrak, P M Stevens, J Pitha, E Balsinger, G P Noon, H D Mayor.
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Year: 1974 PMID: 4413399 DOI: 10.1378/chest.66.4.385
Source DB: PubMed Journal: Chest ISSN: 0012-3692 Impact factor: 9.410