J W Bryce, F T Cutts, S Saba. Show Affiliations »
Abstract
Mesh: See more » ChildFemaleHumansMaternal Health Services/standardsNigeriaQuality of Health CareSampling StudiesVaccination/standards
Year: 1990 PMID: 1969104 DOI: 10.1016/0140-6736(90)90864-2
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321