| Literature DB >> 14220467 |
E LANDER, H FORSSMAN, H O AKESSON.
Abstract
Keywords: MENTAL RETARDATION; MONGOLISM; SEASONS; STATISTICS; SWEDEN; VITAL STATISTICS
Mesh:
Year: 1964 PMID: 14220467 DOI: 10.1159/000151852
Source DB: PubMed Journal: Acta Genet Stat Med ISSN: 0567-7440