title: [The essence of occupational disability supplementary insurance].
authors.forename: G
authors.initials: G
authors.lastname: Oster
mesh_terms: D005860:Germany, West; D006801:Humans; D007182:Income; D012943:Social Security / Q000331:legislation & jurisprudence*; D014942:Workers' Compensation
vernacular_title: Das Wesen der Berufsunfähigkeits-Zusatzversicherung.