title: Evaluation of the sympathetic nervous system in trisomy-21 (Down's syndrome).
mesh_terms: D000293:Adolescent; D000328:Adult; D004299:Dopamine beta-Hydroxylase / Q000378:metabolism; D004314:Down Syndrome / Q000201:enzymology / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D009638:Norepinephrine / Q000097:blood; D010290:Parents; D011187:Posture; D013564:Sympathetic Nervous System / Q000503:physiopathology*
chemical_list: D004299:Dopamine beta-Hydroxylase; D009638:Norepinephrine