title: [Comment on J.-A. Rüggeberg "Established surgeons--threatened by extinction"].
authors.forename: U R
authors.initials: UR
authors.lastname: Hug
mesh_terms: D005544:Forecasting; D013502:General Surgery / Q000639:trends*; D005858:Germany; D006801:Humans; D011331:Private Practice / Q000639:trends*; D013557:Switzerland