title: Visibility of the nailfold capillaries in retarded adolescents.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001925:Brain Damage, Chronic / Q000209:etiology; D002196:Capillaries / Q000033:anatomy & histology*; D004314:Down Syndrome / Q000235:genetics; D005260:Female; D005315:Fetal Diseases / Q000150:complications; D005385:Fingers / Q000098:blood supply*; D006760:Hospitalization; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D007361:Intelligence Tests; D008297:Male; D011247:Pregnancy; D012737:Sex Factors