B. B. Butler

Wilms' tumor clinical correlation with circulating mucin in three cases

D. Powars, S. Allerton, J. Beierle, 1972, Cancer.

Alteration in age‐specific risks for chromosomal trisomy by maternal serum alpha‐fetoprotein and human chorionic gonadotropin screening

T. O'brien, J. Quirk, C. Miller, 1991, Prenatal diagnosis.