J M Bryson, A E Braley. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » AdolescentAdultChildChild Health ServicesChild, PreschoolEye Diseases/epidemiologyHealth SurveysHumansInfantIowaPhysicians/statistics & numerical dataReferral and ConsultationRural HealthVision Disorders/epidemiologyVision Tests
Year: 1968 PMID: 4969686 PMCID: PMC1891885
Source DB: PubMed Journal: Public Health Rep ISSN: 0094-6214 Impact factor: 2.792