C F Lanata, G Stroh, R E Black. Show Affiliations »
Abstract
Mesh: See more » HumansImmunization/standardsInfantPeruPrimary Health Care/standardsQuality Assurance, Health Care/methodsSampling Studies
Year: 1988 PMID: 2891965 DOI: 10.1016/s0140-6736(88)90323-6
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321