Adrenal Hyperplasia, Congenital 6 Humans 6 Mutation 6 Steroid 21-Hydroxylase 6 article 6 congenital adrenal hyperplasia 6 gene mutation 6 genotype 6 human 6 steroid 21 monooxygenase 6 steroid 21 monooxygenase deficiency 6 Algorithms 4 Argentina 4 CYP21A2 protein, human 4 Case-Control Studies 4 Genetic Predisposition to Disease 4 Mammalia 4 Models, Molecular 4 Protein Stability 4 algorithm 4 case control study 4 chemical structure 4 chemistry 4 chromosome 6p 4 cytochrome P450 2C 4 cytochrome P450 2C21 4 exon 4 frameshift mutation 4 gene deletion 4 genetic predisposition 4