| Literature DB >> 4573181 |
K Ueland, T J Akamatsu, M Eng, J J Bonica, J M Hansen.
Abstract
Entities:
Mesh:
Substances:
Year: 1972 PMID: 4573181 DOI: 10.1016/0002-9378(72)90900-3
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661