N Wald, K Wald, D Smith. Show Affiliations »
Abstract
Mesh: See more » AdultChorionic Gonadotropin/bloodDown Syndrome/bloodDown Syndrome/prevention & controlEstradiol/bloodFemaleHealth Services ResearchHumansMass Screening/methodsMaternal AgeUnited Kingdomalpha-Fetoproteins/chemistry
Substances: See more » Chorionic Gonadotropinalpha-FetoproteinsEstradiol
Year: 1992 PMID: 1380628 DOI: 10.1016/0140-6736(92)91822-p
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321