L. Lingley

CORRECTION FORMULA FOR MATERNAL SERUM ALPHA-FETOPROTEIN

A. M. Johnson, L. Lingley, 1984, The Lancet.

Elevated Maternal Serum Alpha-Fetoprotein With Normal Ultrasound: Is Amniocentesis Always Appropriate? A Review of 26,069 Screened Patients

S. Albright, D. Richards, R. Cefalo, 1988, Obstetrics and gynecology.