Maternal Serum Total Activin a in Pregnancies Affected with Fetal Down's Syndrome

Cuckle HS Holding S Jones R Maternal serum dimeric inhibin A in second-trimester Down's syndrome pregnancies (letter). Prenat Diagn, 1995;15:385–92.

Wald NJ Densem JW George L Muttukrishna S Knight PG. Prenatal screening for Down's syndrome using inhibin-A as a serum marker. Prenat Diagn, 1996;16:143–53.

Aitken DA Wallace EM Crossley JA Dimeric inhibin A as a marker for Down's syndrome in early pregnancy. N Engl J Med, 1996; 334:1231–6.

Wallace EM Swanston LA McNeilly AS Second trimester screening for Down's syndrome using maternal serum dimeric inhibin A. Clin Endocrinol, 1996;44:17–21.

Lambert-Messerlian GM Canick JA Palomaki GE Schneyer AL. Second trimester levels of maternal serum inhibin A, total inhibin, α inhibin precursor, and activin in Down's syndrome pregnancy. J Med Screen, 1996;3:58–62.