HLA-A,B,C,DR typing and 17-OHP determination for second trimester prenatal diagnosis of 21-hydroxylase deficient CAH.
Grosse-Wilde H, Valentine-Thon E, Vögeler U, Passarge E, Lorenzen F, Sippell WG, Bidlingmaier F, Knorr D. Prenat Diagn. 1988 Feb; 8(2):131-43.