title: Are trisomy 21 fetuses subject to a myeloproliferation which is manifest in the maternal blood?
authors.forename: A M
authors.initials: AM
authors.lastname: Fisher
mesh_terms: D000483:Alleles; D004314:Down Syndrome / Q000097:blood* / Q000473:pathology; D005260:Female; D005315:Fetal Diseases / Q000097:blood / Q000175:diagnosis / Q000453:epidemiology*; D006412:Hematopoietic Stem Cells / Q000166:cytology / Q000473:pathology; D006801:Humans; D017404:In Situ Hybridization, Fluorescence; D009196:Myeloproliferative Disorders / Q000097:blood / Q000175:diagnosis / Q000453:epidemiology*; D016133:Polymerase Chain Reaction; D011247:Pregnancy / Q000097:blood*; D011296:Prenatal Diagnosis / Q000379:methods*; D012307:Risk Factors