Siahaan, S. S.; Widysanto, A. .; Wahyuni, T. D. .; Wijaya, V. N. .; Sirait, M. .; Otto, E. W. . Role of Flexible Bronchoscopy in Respiratory Management of Critically Ill Patients: A Retrospective Analysis. Respir Scie 2026, 6, 171-178.