| Literature DB >> 3452922 |
C G Victora, L C Nobre, C Lombardi, A M Texeira, S M Fuchs, L B Moreira, L P Gigante, F C Barros.
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Year: 1987 PMID: 3452922 DOI: 10.1590/s0034-89101987000600004
Source DB: PubMed Journal: Rev Saude Publica ISSN: 0034-8910 Impact factor: 2.106