title: Letter: fracture of bony lamellae within the frontal recess following balloon catheter dilatation.
authors.forename: Martin J
authors.initials: MJ
authors.lastname: Citardi
mesh_terms: D002404:Catheterization / Q000009:adverse effects*; D050723:Fractures, Bone / Q000209:etiology*; D005626:Frontal Sinus / Q000293:injuries / Q000601:surgery*; D006801:Humans; D011183:Postoperative Complications; D019291:Skull Base / Q000293:injuries / Q000601:surgery