title: [Normal and atypical nasal sinus drainage duct examined by endoscopy and x-rays].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004724:Endoscopy; D005005:Ethmoid Sinus / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D005626:Frontal Sinus / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D006801:Humans; D008443:Maxillary Sinus / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D008875:Middle Aged; D010256:Paranasal Sinuses / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D013101:Sphenoid Sinus / Q000033:anatomy & histology / Q000000981:diagnostic imaging; D014056:Tomography, X-Ray
vernacular_title: Röntgenologische und endoskopische Befunde zu normalen und atypischen Ausführungsgängen der Nasennebenhöhlen.