title: The palmo-mental reflex in normal and mentally retarded subjects.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome; D005145:Face; D005154:Facial Nerve / Q000502:physiology*; D006225:Hand / Q000294:innervation*; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000150:complications; D010146:Pain; D012021:Reflex, Abnormal / Q000453:epidemiology* / Q000209:etiology