| http://www.w3.org/ns/prov#value | - Perform rigid bronchoscopy to confirm the diagnosis and to assess the airway for other anomalies. 19Bilateral TVC ParalysisEtiology usually idiopathic. may also occur secondary to central neuromuscular immaturity. lesions in the central nervous system, including Arnold-Chiari malformation, hydrocephalus or myelomeningocele, Birth trauma that causes excessive strain to the cervical spine may cause
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