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First trimester maternal serum alpha-fetoprotein in fetal trisomies.
Brizot ML, Khun P, Bersinger NA, Snijders RJM, Nicolaides KH.
Br J Obstet Gynaecol 1995;102:31-4. -
Serum ferritin and cobalamin in red blood cell isoimmunisation.
Abbas A, Nicolaides KH.
Fetal Diagn Ther 1995;10:297-300.