A Chang. Show Affiliations »
Abstract
Mesh: See more » CaliforniaChildChild Day Care CentersChild Health Services/supply & distributionChild, PreschoolHumansInfantLicensureOrganization and Administration
Year: 1979 PMID: 443503 PMCID: PMC1618983 DOI: 10.2105/ajph.69.6.603
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308