title: [Circulatory system in Down's syndrome].
mesh_terms: D000293:Adolescent; D000328:Adult; D002118:Calcium / Q000097:blood; D002319:Cardiovascular System / Q000503:physiopathology*; D002648:Child; D004314:Down Syndrome / Q000150:complications / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000150:complications; D006801:Humans; D008297:Male; D010701:Phonocardiography
chemical_list: D002118:Calcium
vernacular_title: Układ krazenia w zespole Downa.