Challenges in evaluating the severity of fibropapillomatosis: a proposal for objective index and score system for green sea turtles (Chelonia mydas) in Brazil - Rossi, Silmara; Sánchez-Sarmiento, Angélica María; Vanstreels, Ralph Eric Thijl; Santos, Robson Guimarães dos; Prioste, Fabiola Eloisa Setim; Gattamorta, Marco Aurélio; Grisi Filho, José Henrique Hildebrand; Matushima, Eliana Reiko (PLoS ONE, 2016)