Histopathological features of juvenile‐onset laryngeal papillomatosis related to severity - El Achkar, Vivian Narana Ribeiro; Duarte, Andressa; Carlos, Román; León, Jorge Esquiche; Ribeiro‐Silva, Alfredo; Pignatari, Shirley Shizue Nagata; Kaminagakura, Estela (Head & Neck, 2019)