title: [Importance of clinical observation studies of the German-Austrian-Swiss Study Group for the oncology of mouth cancer].
authors.forename: R
authors.initials: R
authors.lastname: Fries
mesh_terms: D001317:Austria; D002294:Carcinoma, Squamous Cell / Q000401:mortality / Q000473:pathology / Q000628:therapy*; D005858:Germany; D006801:Humans; D009062:Mouth Neoplasms / Q000401:mortality / Q000473:pathology / Q000628:therapy*; D009367:Neoplasm Staging; D011379:Prognosis; D013557:Switzerland
vernacular_title: Die Bedeutung der klinischen Beobachtungsstudien des DOSAK für die Onkologie des Mundhöhlenkarzinoms.