Javid PJ. and DC. Brooks, 2004, " Cholecystectomy" , Chapter in Encyclopedia of Gastroenterology, Elsevier Academic Press, edited by LR Johnson, pp 317-321.
Javid PJ. en DC. Brooks, 2004, ‘Cholecystectomy’, Chapter in Encyclopedia of Gastroenterology, Elsevier Academic Press, uitgegeven door LR Johnson, pp. 317-321.