%0 Journal Article %T 53 Percutaneous tracheostomy cases performed with Griggs method %A Ersoy, A. %A Ali, A. %A Ünlü, N. %A Kara, D. %A Turgut, N. %J European Archives of Medical Research %D 2012 %V 28 %P 134-137 %R 10.5222/otd.2012.134