title: The use of heterologous collagen in tympanoplasty.
authors.forename: C
authors.initials: C
authors.lastname: Jansen
mesh_terms: D003094:Collagen; D006801:Humans; D019736:Prostheses and Implants; D014433:Tympanoplasty / Q000295:instrumentation / Q000379:methods*
chemical_list: D003094:Collagen