Deaf sign language hidden in the fresco The Crucifixion of Saint Peter by Michelangelo Buonarroti (1475-1564): Michelangelo and deaf sign language. Acta Biomed [Internet]. 2020 Nov. 12 [cited 2024 Apr. 28];91(4):e2020192. Available from: https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/9069