Okada T, Itoh T, Sasaki F, Honda S, Naito S, Todo S. CD56-immunostaining of the extrahepatic biliary tree as an indicator of clinical outcome in biliary atresia: a preliminary report. Turk J Pediatr. 2008;50(6):542-548. Accessed April 28, 2026. https://turkjpediatr.org/article/view/2487