| Literature DB >> 4971563 |
R B Freeman, L Bromer, F Brancato, S I Cohen, C F Garfield, R J Griep, E J Hinman, J A Richardson, R H Thurm, C Urner, W M Smith.
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Year: 1968 PMID: 4971563 DOI: 10.7326/0003-4819-69-4-655
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391