Lost gallstones during laparoscopic cholecystectomy as a common but underestimated complication—case report and review of the literature oleh L. Danhel, L. Danhel, A. Fritz, A. Fritz, L. Havranek, L. Havranek, T. Kratzer, T. Kratzer, P. Punkenhofer, P. Punkenhofer, A. Punzengruber, A. Punzengruber, D. Rezaie, D. Rezaie, S. Tatalovic, S. Tatalovic, M. Wurm, R. Függer, R. Függer, M. Biebl, M. Biebl, P. Kirchweger, P. Kirchweger, P. Kirchweger