G D Alpern, C C Kimberlin. Show Affiliations »
Abstract
Entities: Disease
Mesh: See more » Age FactorsChildChild, PreschoolDown Syndrome/diagnosisHumansInfantIntellectual Disability/diagnosisIntelligence TestsMethodsSampling Studies
Year: 1970 PMID: 4246751
Source DB: PubMed Journal: Am J Ment Defic ISSN: 0002-9351