| Literature DB >> 1550152 |
D E Hickok1, D C Gordon, J A Milberg, M A Williams, J R Daling.
Abstract
From a study of birth records, breech presentation at delivery for each gestational age was found to be less frequent as compared with other reports about antenatal ultrasonographic examination. Selection bias or the effect of labor may account for the observed difference.Entities:
Mesh:
Year: 1992 PMID: 1550152 DOI: 10.1016/0002-9378(92)91347-d
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661