| Literature DB >> 7304570 |
M M Levine, C R Young, T P Hughes, S O'Donnell, R E Black, M L Clements, R Robins-Browne, Y L Lim.
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Year: 1981 PMID: 7304570 DOI: 10.1093/oxfordjournals.aje.a113201
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897