sham surgery

Full title: Ultrasound guided lavage with corticosteroid injection versus sham lavage with and without corticosteroid injection for calcific tendinopathy of shoulder: randomised double blinded multi-arm study Abstract Objective To compare treatment effects between ultrasound guided lavage with...

"Ian Harris explains that more than half of commonly performed surgical operations may be placebos. Adequate studies using a blinded control group are essential." "Ian Harris, a Professor of Orthopaedic Surgery at the University of New South Wales in Sydney, Australia, wrote a book titled...