Evaluation of biliary extracorporeal shock wave lithotripsy in the United Kingdom--problems with clinical trials.
Milner
P
P
Department of Community Medicine, University of Sheffield Medical School.
D002769:Cholelithiasis / Q000628:therapy*; D002983:Clinical Competence; D002986:Clinical Trials as Topic / Q000379:methods*; D006801:Humans; D007669:Kidney Calculi / Q000628:therapy; D008096:Lithotripsy; D011379:Prognosis; D012107:Research Design