title: Second-trimester maternal serum screening for Down syndrome in Mainland China.
authors.forename: Can
authors.initials: C
authors.lastname: Liao
authors.forename: Yining
authors.initials: Y
authors.lastname: Huang
authors.forename: Dongzhi
authors.initials: D
authors.lastname: Li
authors.forename: Shuben
authors.initials: S
authors.lastname: Song
authors.forename: Cuixing
authors.initials: C
authors.lastname: Yi
authors.forename: Jianying
authors.initials: J
authors.lastname: Zhou
mesh_terms: D000328:Adult; D015415:Biomarkers / Q000097:blood; D002681:China / Q000453:epidemiology; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood; D004314:Down Syndrome / Q000175:diagnosis* / Q000453:epidemiology; D005189:False Positive Reactions; D005260:Female; D005865:Gestational Age; D006801:Humans; D008403:Mass Screening; D011247:Pregnancy / Q000097:blood*; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods*; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D015415:Biomarkers; D018997:Chorionic Gonadotropin, beta Subunit, Human; D000509:alpha-Fetoproteins