Guttadauro A, Maternini M, Chiarelli M, Terragni S, Lobianco G, Gabrielli F. Anorectal manometry assessment of sphincter relaxation after local-regional anesthesia with posterior perineal block. Ann Ital Chir [Internet]. 2019 Nov. 1 [cited 2024 Nov. 23];90(6):580-2. Available from: https://annaliitalianidichirurgia.it/index.php/aic/article/view/2264