title: What's new in pediatrics: mental retardation, macroorchidism, and marker x chromosome.
mesh_terms: D000293:Adolescent; D005260:Female; D005819:Genetic Markers; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D008297:Male; D012729:Sex Chromosome Aberrations / Q000175:diagnosis*; D013737:Testis / Q000002:abnormalities*
chemical_list: D005819:Genetic Markers