Change Endotracheal Airway in Trachea, External Approach
change endotracheal airway in trachea, external approach
Medical and Surgical @ Respiratory System @ Change @ Trachea @ External @ Intraluminal Device, Endotracheal Airway @ No Qualifier
medical and surgical @ respiratory system @ change @ trachea @ external @ intraluminal device, endotracheal airway @ no qualifier