title: Second-trimester maternal serum invasive trophoblast antigen: a marker for Down syndrome screening.
authors.affiliation: Quest Diagnostics Nichols Institute, San Juan Capistrano, CA 92690, USA. Raj.M.Pandian@questdiagnostics.com
authors.forename: Raj
authors.initials: R
authors.lastname: Pandian
authors.forename: Laurence A
authors.initials: LA
authors.lastname: Cole
authors.forename: Glenn E
authors.initials: GE
authors.lastname: Palomaki
mesh_terms: D015415:Biomarkers / Q000097:blood; D006063:Chorionic Gonadotropin / Q000097:blood*; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods; D009035:Mothers; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000379:methods*; D044967:Serum
chemical_list: D015415:Biomarkers; D006063:Chorionic Gonadotropin; C024889:glycosylated HCG