TY - JOUR T1 - The importance of prospective and longitudinal studies on ischiofemoral impingement syndrome JO - Radiologia Brasileira A1 - Nogueira-Barbosa, Marcello H. SN - 0100-3984 UL - 10.1590/0100-3984.2019.52.5e3 VL - 52 Y1 - 2019 PB - Brazil ER -