title: Editorial: Genetics and mental retardation.
mesh_terms: D003376:Counseling; D005260:Female; D008040:Genetic Linkage; D006801:Humans; D008607:Intellectual Disability / Q000453:epidemiology / Q000235:genetics*; D007361:Intelligence Tests; D008297:Male; D012189:Retrospective Studies; D012730:Sex Chromosomes