| Literature DB >> 13295044 |
W J MARTIN, D R NICHOLS, F R HEILMAN.
Abstract
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Keywords: PENICILLIN/derivatives
Mesh:
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Year: 1956 PMID: 13295044 DOI: 10.1001/jama.1956.02960460006002
Source DB: PubMed Journal: J Am Med Assoc ISSN: 0002-9955