What Is the accuracy and reliability of the peritubercle lucency sign on radiographs for early diagnosis of slipped capital femoral epiphysis compared with MRI as the gold standard? - Maranho, Daniel Augusto Carvalho; Bixby, Sarah D.; Miller, Patricia E.; Hosseinzadeh, Shayan; George, Michael; Kim, Young-Jo; Novais, Eduardo N. (Clinical Orthopaedics and Related Research, 2020)