| Literature DB >> 4861562 |
Abstract
Entities:
Keywords: Americas; Congenital Abnormalities; Cultural Background; Demographic Factors; Developed Countries; Diseases; Economic Factors; Ethnic Groups; Fertility; Fertility Measurements; Massachusetts; Measurement; Neonatal Diseases And Abnormalities; North America; Northern America; Parity; Population; Population Characteristics; Population Dynamics; Prevalence; Religion; Research Methodology; Socioeconomic Factors; Socioeconomic Status; United States
Mesh:
Year: 1967 PMID: 4861562 DOI: 10.1056/NEJM196711232772104
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245