salari,A , , Soleimanha,M , , Khososi,D , and samimian,S . "The prevalence of some related factors to Calcaneal Apophysitis [Severâs disease] in children in age 5to15 referred to Poursina hospital during 2015-2014", Iranian Journal of Orthopedic Surgery, 19, 3, 2021, 110-114. doi: 10.22034/ijos.2021.264460.0