title: Two retarded male cousins with odd facies, hypotonia, and severe constipation: possible examples of the X linked FG syndrome.
mesh_terms: D003248:Constipation / Q000235:genetics*; D005149:Facial Expression; D005260:Female; D008040:Genetic Linkage; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000235:genetics; D008297:Male; D009123:Muscle Hypotonia / Q000235:genetics*; D010375:Pedigree; D013577:Syndrome; D014960:X Chromosome