Ahmad H, Rentea RM, Knaus ME, Wilbur JG, Halaweish I, Langer JC, Levitt MA, Wood RJ. Routine botulinum toxin injection one month after a Swenson pull-through does not change the incidence of Hirschsprung associated enterocolitis. J Pediatr Surg. 2022 Aug; 57(8):1453-1457.