TY - JOUR AU - Callaghan, J. J. AU - Haddad, F. S. DO - doi:10.1302/0301-620X.100B7.BJJ-2018-0550 UR - https://doi.org/10.1302/0301-620X.100B7.BJJ-2018-0550 TI - International Hip Society: a new partnership T2 - The Bone & Joint Journal VL - 100-B IS - 7 PY - 2018 SP - 829 EP - 830 ER -