title: 5-Hydroxytryptamine (5-HT) transport in Down's syndrome blood platelets: effect of K+ loading.
mesh_terms: D000293:Adolescent; D000328:Adult; D001692:Biological Transport; D001792:Blood Platelets / Q000378:metabolism*; D002648:Child; D004314:Down Syndrome / Q000097:blood*; D006801:Humans; D011188:Potassium / Q000097:blood* / Q000502:physiology; D012701:Serotonin / Q000097:blood*
chemical_list: D012701:Serotonin; D011188:Potassium