[Better informed--better treated?].
D003299:Cooperative Behavior; D005858:Germany; D006801:Humans; D009369:Neoplasms / Q000401:mortality / Q000451:nursing* / Q000628:therapy; D010348:Patient Care Team; D010353:Patient Education as Topic; D010358:Patient Participation; D012657:Self-Help Groups; D015996:Survival Rate