title: Invited letter concerning: accelerated degeneration of aortic allografts in infants and young children.
authors.forename: D R
authors.initials: DR
authors.lastname: Clarke
mesh_terms: D000293:Adolescent; D017677:Age Distribution; D001021:Aortic Valve / Q000637:transplantation*; D001022:Aortic Valve Insufficiency / Q000453:epidemiology*; D002114:Calcinosis / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D003120:Colorado / Q000453:epidemiology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011183:Postoperative Complications / Q000453:epidemiology*; D014184:Transplantation, Homologous