| Literature DB >> 19274353 |
Cesar G Victora, Robert E Black, Jennifer Bryce.
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Year: 2009 PMID: 19274353 PMCID: PMC2636184 DOI: 10.2471/blt.09.062828
Source DB: PubMed Journal: Bull World Health Organ ISSN: 0042-9686 Impact factor: 9.408