title: The randomised controlled trial in the evaluation of new technology: a case study.
authors.forename: S
authors.initials: S
authors.lastname: Challah
authors.forename: N B
authors.initials: NB
authors.lastname: Mays
mesh_terms: D002986:Clinical Trials as Topic; D005069:Evaluation Studies as Topic; D006801:Humans; D008096:Lithotripsy / Q000295:instrumentation; D011897:Random Allocation; D013673:Technology Assessment, Biomedical; D006113:United Kingdom; D014545:Urinary Calculi / Q000601:surgery / Q000628:therapy