title: [Documentation of systematic periodontal therapy and its follow-up examinations by punched cards].
mesh_terms: D003792:Dental Records / Q000379:methods*; D005500:Follow-Up Studies; D005860:Germany, West; D006801:Humans; D010347:Patient Care Planning; D010510:Periodontal Diseases / Q000628:therapy*; D011676:Punched-Card Systems
vernacular_title: Zur Dokumentation der systematischen Parodontalbehandlung und ihrer Nachkontrollen mit Randlochkarten