Prediction on surgical outcomes of videolaparoscopic colecistectomy in elderly patients using comorbidity combined score. (September 2018) - Rocha-Filho, J.A.; Figueira, E.R.R.; Romano, V.C.; Bacchella, T.; Vilas-Boas, M.D.S.; Sacramento, I.S.L.; Casagrande, S.G.; Costa, T.N.; Carmona, M.J.C.; Cecconello, I.