New evidence for a critical role of elastin in calcification of native heart valves: immunohistochemical and ultrastructural study with literature review. - Perrotta I; Russo E; Camastra C; Filice G; Di Mizio G; Colosimo F; Ricci P; Tripepi S; Amorosi A; Triumbari F; Donato G (Histopathology, 2011)