TY - GEN AU - Levi,F TI - [Epidemiological research on cancer in Switzerland (tumor registries at the 1st level)] SN - 1120-9763 PY - 1991///0610 KW - Cohort Studies KW - Humans KW - Neoplasms KW - epidemiology KW - Registries KW - Switzerland N1 - Publication Type: News ER -