title: Decreased sister chromatid exchange in Down's syndrome after measles vaccination.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002842:Chromatids; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D008458:Measles Vaccine; D014611:Vaccination
chemical_list: D008458:Measles Vaccine