| Literature DB >> 13258675 |
Abstract
Keywords: LABOR/anesthesia and analgesia; MATERNITY/statistics
Mesh:
Substances:
Year: 1955 PMID: 13258675 DOI: 10.1016/s0002-9378(16)37839-5
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661