title: Aortic and pulmonary valve fenestrations as ageing indices in Down's syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000375:Aging; D001021:Aortic Valve / Q000473:pathology; D002114:Calcinosis / Q000473:pathology; D002648:Child; D004314:Down Syndrome / Q000150:complications* / Q000473:pathology; D005260:Female; D006349:Heart Valve Diseases / Q000150:complications*; D006801:Humans; D008607:Intellectual Disability / Q000150:complications; D008297:Male; D008875:Middle Aged; D011664:Pulmonary Valve