Complex primary hips for total hip replacement surgery at a tertiary institution in NigeriaUdo Ego Anyaehie, Gabriel Okey Eyichukwu, Cajetan Uwatoronye Nwadinigwe and Amechi Uchenna KatchySICOT-J, 4 (2018) 22DOI: https://doi.org/10.1051/sicotj/2018026