Identification of non-amplifying CYP21 genes when using PCR-based diagnosis of 21-hydroxylase deficiency in congenital adrenal hyperplasia (CAH) affected pedigrees. - Day,D.J.; Speiser,P.W.; Schulze,E.; Bettendorf,M.; Fitness,J.; Barany,F.; White,P.C. (Hum Mol Genet, 1996)