| Literature DB >> 13644568 |
Abstract
Entities:
Keywords: ABORTION/etiology and pathogenesis; CERVIX, UTERINE/diseases; LABOR
Mesh:
Year: 1959 PMID: 13644568 DOI: 10.1056/NEJM195904022601403
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245