Triple marker (AFP, uE3,hCG) versus AFP plus free-beta in second trimester maternal serum screening for down syndrome: A prospective comparison study
Kellner, L.H., Weiner, Z., Weiss, R.R., Neuer, M., Martin, G., Mueenuddin, M., Bombard, A.
Published in American journal of obstetrics and gynecology (1995)
Published in American journal of obstetrics and gynecology (1995)
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