biomedicina slovenica


id=46691 : 1

  1. Spencer K; Souter V; Tul N; Snijders R; Nicolaides KH
    A screening program for trisomy 21 at 10-14 weeks using fetal nuchal translucency, maternal serum free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A
    1999



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