The intussusception antireflux valve is ineffective in preventing cholangitis in biliary atresia.
Sartorelli KH, Holland RM, Allshouse MJ, Karrer FM, Lilly JR. The intussusception antireflux valve is ineffective in preventing cholangitis in biliary atresia. J Pediatr Surg. 1996 Mar; 31(3):403-6.