title: Extent of correlation between first and second trimester markers for Down's syndrome screening.
authors: U.O. di Ostetricia e Ginecologia, Istituto G. Gaslini, Università di Genova, Italy. biasiode@libero.it
authors: P
authors: P
authors: De Biasio
authors: S
authors: S
authors: Canini
authors: F
authors: F
authors: Prefumo
authors: L
authors: L
authors: Famularo
authors: P L
authors: PL
authors: Venturini
mesh_terms: D015415:Biomarkers / Q000097:blood; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood; D004958:Estradiol / Q000097:blood; D005260:Female; D006801:Humans; D008403:Mass Screening; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D011266:Pregnancy-Associated Plasma Protein-A / Q000032:analysis; D011296:Prenatal Diagnosis; D015203:Reproducibility of Results; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D015415:Biomarkers; D018997:Chorionic Gonadotropin, beta Subunit, Human; D000509:alpha-Fetoproteins; D004958:Estradiol; D011266:Pregnancy-Associated Plasma Protein-A