TY - GEN AU - Belau,D TI - [The presumption of social hygiene and "social medicine" in the former DRG. Observations on the work by Prof. Ewert in "Das öffentliche Gesundheitswesen" 53 (1991) 61-67] SN - 0941-3790 PY - 1992///0416 KW - Germany, East KW - Public Health KW - Social Medicine N1 - Publication Type: Letter ER -