K G Nygren, E D Johansson, L Wide. Show Affiliations »
Abstract
Entities: Chemical Species
Mesh: See more » Abortion, Threatened/bloodAdolescentAdultChorionic Gonadotropin/bloodEstradiol/bloodEvaluation Studies as TopicFemaleHumansInfant, NewbornInfant, PrematureParityPregnancyProgesterone/bloodPrognosisTime Factors
Substances: See more » Chorionic GonadotropinProgesteroneEstradiol
Year: 1973 PMID: 4736953 DOI: 10.1016/s0002-9378(16)33837-6
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661