title: Mechanism and consequences of the duplication of the human C4/P450c21/gene X locus.
authors.affiliation: Department of Pediatrics, University of California, San Francisco 94143.
authors.forename: S E
authors.initials: SE
authors.lastname: Gitelman
authors.forename: J
authors.initials: J
authors.lastname: Bristow
authors.forename: W L
authors.initials: WL
authors.lastname: Miller
mesh_terms: D000595:Amino Acid Sequence; D001483:Base Sequence; D003181:Complement C4 / Q000235:genetics*; D006801:Humans; D008969:Molecular Sequence Data; D005810:Multigene Family; D012045:Regulatory Sequences, Nucleic Acid; D013255:Steroid 21-Hydroxylase / Q000235:genetics*
chemical_list: D003181:Complement C4; D013255:Steroid 21-Hydroxylase