title: [Ultrasound technique to locate the first tracheal ring].
authors.forename: Farid
authors.initials: F
authors.lastname: Arezki
authors.forename: Galina
authors.initials: G
authors.lastname: Netcheva
authors.forename: Ulrich
authors.initials: U
authors.lastname: Johann
authors.forename: Andréas
authors.initials: A
authors.lastname: Eichler
mesh_terms: D003413:Cricoid Cartilage / Q000000981:diagnostic imaging; D006801:Humans; D013957:Thyroid Cartilage / Q000000981:diagnostic imaging; D014132:Trachea / Q000000981:diagnostic imaging*; D014140:Tracheotomy / Q000379:methods*; D014463:Ultrasonography