title: Consanguineous marriages in families suffering from phenylketonuria.
mesh_terms: D003241:Consanguinity; D005260:Female; D005787:Gene Frequency; D005808:Genes, Recessive; D006801:Humans; D007178:Inbreeding; D008297:Male; D010661:Phenylketonurias / Q000235:genetics*; D012426:Russia