Optimising outcomes of exercise and corticosteroid injection in patients with subacromial pain (impingement) syndrome: a factorial randomised trial.
Flavia M CicuttiniReuben O OgollahRaymond OppongIrena ZwierskaPraveen DattaAlison HallElaine HaySue JacksonSue JowettMartyn LewisJulie ShufflebothamKay StevensonDanielle A van der WindtJulie YoungNadine E FosterPublished in: British journal of sports medicine (2020)
ISRCTN42399123.