| Literature DB >> 5558650 |
W A Nickey, J L Chinitz, J J Flynn, A Adam, K E Kim, A B Schwartz, G Onesti, C D Swartz.
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Year: 1971 PMID： 5558650 DOI： 10.7326/0003-4819-75-2-227
Source DB: PubMed Journal: Ann Intern Med ISSN： 0003-4819 Impact factor: 25.391