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2. Prenatal diagnosis of neural tube defects. I. Problems and pitfalls. Analysis of 2,495 cases using alpha fetoprotein assay;Milunsky;Obstet. Gynecol.,1976
3. Fetal pathophysiology of human alpha fetoprotein;Seppälä;Ann. N. Y. Acad. Sci.,1975
4. Alpha-fetoprotein;Lau;Am. J. Obstet. Gynecol.,1976
5. Prenatal Diagnosis of Genetic Disorders of the Fetus, European Medical Research Council Conference,1976