J Ash. Show Affiliations »
Abstract
Mesh: See more » Abstracting and IndexingBibliographies as TopicChild Health ServicesDirectories as TopicEnvironmental HealthEpidemiologyMaternal Health ServicesOccupational MedicinePublic HealthPublic Health AdministrationPublic Health NursingReference BooksSchool Health ServicesStatistics as Topic
Year: 1972 PMID: 4557014 PMCID: PMC1530419 DOI: 10.2105/ajph.62.7.1014
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308