Subacromial decompression versus diagnostic arthroscopy for shoulder impingement: randomised, placebo surgery controlled clinical trial
by Mika Paavola, Antti Malmivaara, Simo Taimela, Kari Kanto, Jari Inkinen, Juha Kalske, Ilkka Sinisaari, Vesa Savolainen, Jonas Ranstam, Teppo Järvinen, for the Finnish Subacromial Impingement Arthroscopy Controlled Trial (FIMPACT) Investigators