title: [Clinical trials in dentistry in the United States].
authors: University of Rochester Eastman Dental Center, Rochester, New York 14534, USA. yanfang_ren@urmc.rochester.edu
authors: Yan-fang
authors: YF
authors: Ren
mesh_terms: D002986:Clinical Trials as Topic; D003813:Dentistry; D006801:Humans; D014481:United States