1. Is myelomeningocele a disappearing disease;Stein;Pediatrics,1982
2. Maternal serum α-fetoprotein screening in North Carolina: Experience with more than twelve thousand pregnancies;Burton;Am J Obstet Gynecol,1983
3. Prenatal serum α-fetoprotein screening for neural tube defects;Macri;Obstet Gynecol,1982
4. Prenatal diagnosis of neural tube defects. IV. Maternal serum alpha-fetoprotein screening;Milunsky;Obstet Gynecol,1980
5. Maternal serum AFP screening: Promise not yet fulfilled;Nadler;Obstet Gynecol,1979