Percutaneous tracheostomy in patients without cervical spine clearance.
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D002574:Cervical Vertebrae / Q000293:injuries*; D000075202:Contraindications; D006801:Humans; D018579:Patient Selection; D011187:Posture; D011859:Radiography; D016059:Range of Motion, Articular; D013119:Spinal Cord Injuries / Q000000981:diagnostic imaging / Q000503:physiopathology* / Q000628:therapy; D014139:Tracheostomy / Q000009:adverse effects / Q000379:methods*