1996
Nicked free β-subunit of human chorionic gonadotropin: A potential new marker for Down syndrome screening
Rotmensch S, Liberati M, Kardana A, Copel J, Ben-Rafael Z, Cole L. Nicked free β-subunit of human chorionic gonadotropin: A potential new marker for Down syndrome screening. American Journal Of Obstetrics And Gynecology 1996, 174: 609-611. PMID: 8623792, DOI: 10.1016/s0002-9378(96)70435-0.Peer-Reviewed Original ResearchConceptsHuman chorionic gonadotropinDown syndrome screeningChorionic gonadotropinSyndrome pregnanciesSyndrome screeningFree beta subunitMaternal serum levelsDown syndrome pregnanciesPotential new markerFree β-subunitSerum levelsNormal controlsSensitive markerImmunoenzymometric assaySerum specimensDown syndromeGonadotropinMean levelsNew markersPreliminary dataMedianPregnancyCase levelMarkersΒ-subunit
1985
The effect of different human chorionic gonadotropin assay sensitivity on screening for ectopic pregnancy
Romero R, Kadar N, Copel J, Jeanty P, DeCherney A, Hobbins J. The effect of different human chorionic gonadotropin assay sensitivity on screening for ectopic pregnancy. American Journal Of Obstetrics And Gynecology 1985, 153: 72-74. PMID: 4037000, DOI: 10.1016/0002-9378(85)90593-9.Peer-Reviewed Original Research