title: X-linked mental retardation with macro-orchidism and the fragile site at Xq 27 or 28.
abstract: Data are presented suggesting that the form of X-linked mental retardation with macro-orchidism and the form associated with a fragile site at Xq27 or 28 are the same entity.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002874:Chromosome Mapping; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D008297:Male; D010413:Penis / Q000033:anatomy & histology; D011627:Puberty; D013737:Testis / Q000033:anatomy & histology*; D014960:X Chromosome