title: A study of phenylketonuric sibs.
mesh_terms: D000022:Abortion, Spontaneous; D002854:Chromatography, Paper; D004827:Epilepsy / Q000235:genetics; D005260:Female; D005787:Gene Frequency; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D008297:Male; D010375:Pedigree; D010649:Phenylalanine / Q000097:blood; D010661:Phenylketonurias / Q000097:blood / Q000235:genetics*; D011247:Pregnancy
chemical_list: D010649:Phenylalanine