Cruz Junior, R. J., Nahas, J., & Figueiredo, L. F. P. de. (2006). Spontaneous cholecystocutaneous fistula: a rare complication of gallbladder disease. São Paulo Medical Journal, 124(4), 234–236. Retrieved from https://periodicosapm.emnuvens.com.br/spmj/article/view/2237