Femoral neck shaft angle measurement on plain radiography: is standing or supine radiograph a reliable template for the contralateral femur? oleh Bassem Haddad, Mohammad Hamdan, Mohammad Al Nawaiseh, Osama Aldowekat, Mohammad Ali Alshrouf, Abdulrahman M. Karam, Muayad I. Azzam, Anas AR Altamimi, Muntaser Abu Shokor