Hejazi, Mohammad Esmaeil, Mohammadamin Rezazadehsaatlou, Leila Namvar, Armin Sadeghi, Veghar Hejazi, Yasin Hejazi, and Katrin Buyuk Aghazadeh. 2017. “Safety of Bronchoscopic Guided Percutaneous Dilatational Tracheostomy in ICU Patients in Tabriz City”. Universa Medicina 36 (3):173-78. https://doi.org/10.18051/UnivMed.2017.v36.173-178.