title: Effect of periodontal therapy on general health--is there a missing component in the design of these clinical trials?
authors.forename: Gary C
authors.initials: GC
authors.lastname: Armitage
mesh_terms: D006304:Health Status; D006801:Humans; D010510:Periodontal Diseases / Q000628:therapy*; D016032:Randomized Controlled Trials as Topic; D012107:Research Design