title: Proceedings of the 1996 Joint Symposium on Clinical Trial Design in Periodontics. Bethesda, Maryland, January 30-February 2, 1996.
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic; D006801:Humans; D010510:Periodontal Diseases / Q000175:diagnosis / Q000628:therapy; D010517:Periodontics; D012107:Research Design