title: Fragile X syndrome: a unique mutation in man.
mesh_terms: D002110:Caffeine / Q000494:pharmacology; D002873:Chromosome Fragility / Q000187:drug effects; D005260:Female; D005600:Fragile X Syndrome / Q000235:genetics*; D005817:Genetic Counseling; D008040:Genetic Linkage; D005819:Genetic Markers; D006579:Heterozygote; D006801:Humans; D006822:Hybrid Cells / Q000648:ultrastructure; D008607:Intellectual Disability / Q000235:genetics; D008297:Male; D008727:Methotrexate / Q000494:pharmacology; D008957:Models, Genetic; D010375:Pedigree; D010641:Phenotype; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D013936:Thymidine / Q000502:physiology
chemical_list: D005819:Genetic Markers; D002110:Caffeine; D013936:Thymidine; D008727:Methotrexate