Frei, F J [Cricothyreotomy using the Quicktrach coniotomy instrument set]. [electronic resource] - Anasthesie, Intensivtherapie, Notfallmedizin Jan 1990 - 44-9 p. digital Publication Type: English Abstract; Journal Article ISSN: 0174-1837 Subjects--Topical Terms: Airway Obstruction--surgeryCricoid Cartilage--surgeryEvaluation Studies as TopicHumansLaryngeal Cartilages--surgerySurgical InstrumentsThyroid Cartilage--surgery