title: Perichondrial attached double cartilage block: a better alternative to the PORP.
mesh_terms: D004425:Ear Cartilage / Q000637:transplantation*; D004431:Ear, External / Q000637:transplantation*; D006801:Humans; D009998:Ossicular Prosthesis; D014433:Tympanoplasty / Q000379:methods