S Carroll. Show Affiliations »
Abstract
Mesh: See more » Down Syndrome/prevention & controlFemaleFetus/abnormalitiesHumansNeck/embryologyPatient SatisfactionPregnancyUltrasonography, Prenatal/methods
Year: 1998 PMID: 9732350 PMCID: PMC1113879
Source DB: PubMed Journal: BMJ ISSN: 0959-8138