study more procedures study results results results results http://www.nejm.org/doi/full/10.1056/NEJMoa1305189 http://www.nejm.org/doi/full/10.1056/NEJMoa1305189 more procedures results New England Journal of Medicine results been done In this trial performed no better more procedures more procedures http://www.nejm.org/doi/full/10.1056/NEJMoa1305189 results results turns out to be no better than sham surgery turns out to be no better than sham surgery results results study results New England Journal of Medicine. results recent research in the New England Journal of Medicine http://www.nejm.org/doi/full/10.1056/NEJMoa1305189 http://www.nejm.org/doi/full/10.1056/NEJMoa1305189 results http://www.nejm.org/doi/full/10.1056/NEJMoa1305189 http://www.nejm.org/doi/full/10.1056/NEJMoa1305189 performed no better http://www.nejm.org/doi/full/10.1056/NEJMoa1305189 In this trial results results study results results results turns out to be no better than sham surgery study New England Journal of Medicine http://www.nejm.org/doi/full/10.1056/NEJMoa1305189 ingeniously designed trial turns out to be no better than sham surgery results turns out to be no better than sham surgery results