B J Bradford. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » ChildHealth PromotionHumansPediatricsSchool Health Services
Year: 1989 PMID: 2913846 PMCID: PMC1349941 DOI: 10.2105/ajph.79.2.233
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308