| Literature DB >> 4906111 |
N F Pierce, J G Banwell, S L Gorbach, R C Mitra, A Mondal.
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Year: 1970 PMID: 4906111 DOI: 10.7326/0003-4819-72-3-357
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391