A. Martino, B. Rampone, G. Maharajan, M. L. Sacco, F. La Rocca, and P. Sansone, “Acute acalculous cholecystectoctomy associated with haemobilia in polytraumatized subject. Casr report”., Ann Ital Chir, vol. 80, no. 3, pp. 225–229, May 2009.