title: [Effectiveness of Rhermann and pichler surgical methods in closing of maxillary sinus perforations].
mesh_terms: D005402:Fistula / Q000601:surgery; D006801:Humans; D008443:Maxillary Sinus / Q000601:surgery*; D008722:Methods; D009957:Oroantral Fistula / Q000601:surgery*; D010254:Paranasal Sinus Diseases / Q000601:surgery
vernacular_title: Za efektivnostta na khirurgichnite metodi na Rhermann i Pichler pri zatvariane perforatsiite na maksilarnite sinusi.