Intraoperative Anastomotic Evaluation Methods: Rigid Proctoscopy Versus Flexible Endoscopy. - Farzaneh C; Duong WQ; Stopenski S; Detweiler K; Dekhordi-Vakil F; Carmichael JC; Stamos MJ; Pigazzi A; Jafari MD (The Journal of surgical research, 2023)