Patmano, Gulcin, Tuba Bingol Tanriverdi, Firdevs Tugba Bozkurt, and Mehmet Tercan. 2021. “Retrospective Evaluation of Percutaneous Tracheostomy Cases Performed by Griggs Method in Intensive Care Unit”. Annals of Medical Research 27 (10):2789-93. http://annalsmedres.org/index.php/aomr/article/view/977.