G Chamberlain, J M Pearce. Show Affiliations »
Abstract
Mesh： See more » FemaleHome ChildbirthHumansMaternal Health Services/organization & administrationMaternal Health Services/statistics & numerical dataPregnancyTime Factors
Year: 1991 PMID： 1760415 DOI： 10.1111/j.1471-0528.1991.tb15355.x
Source DB: PubMed Journal: Br J Obstet Gynaecol ISSN： 0306-5456