L Gilbert, J Nicholl, A Mander. Show Affiliations »
Abstract
Mesh: See more » Chorionic Gonadotropin/bloodDown Syndrome/diagnosisDown Syndrome/ethnologyEthnic GroupsFemaleHumansPregnancyPrenatal Diagnosis/methods
Substances: See more » Chorionic Gonadotropin
Year: 1996 PMID: 8704551 PMCID: PMC2351666 DOI: 10.1136/bmj.313.7052.297b
Source DB: PubMed Journal: BMJ ISSN: 0959-8138