Hejazi, M. E., Rezazadehsaatlou, M., Namvar, L., Sadeghi, A., Hejazi, V., Hejazi, Y., & Aghazadeh, K. B. (2017). Safety of bronchoscopic guided percutaneous dilatational tracheostomy in ICU patients in Tabriz City. Universa Medicina, 36(3), 173–178. https://doi.org/10.18051/UnivMed.2017.v36.173-178