title: [The methodology and experience of the controlled clinical experiment].
abstract: On the base of gathered experiences the advantages and disadvantages of controlled clinical trials are discussed. In spite of the considerable expenditure of time and work the application of such investigations are recommended.
authors: Sektion Stomatologie, Poliklinik für Konservierende Stomatologie, Berlin, DDR.
authors: K R
authors: KR
authors: Jahn
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D003764:Dental Materials / Q000627:therapeutic use; D003793:Dental Restoration, Permanent; D006801:Humans
chemical_list: D003764:Dental Materials
vernacular_title: Zu Methodik und Erfahrungen des klinisch kontrollierten Experiments.