TY - JOUR AU - Paprosky, W.G. DO - doi:10.1302/1358-992X.99BSUPP_15.CCJR2017-092 UR - https://doi.org/10.1302/1358-992X.99BSUPP_15.CCJR2017-092 TI - BONE GRAFTS AND THEIR SUBSTITUTES: UNDERSTANDING THE THREE Os T2 - Orthopaedic Proceedings VL - 99-B IS - SUPP_15 PY - 2017 SP - 92 EP - 92 ER -