Sen RK, Tripathy SK LETTER TO THE EDITOR Reply to the comments of Li et al. to the article: Posterior wall reconstruction using iliac crest strut graft in severelycomminuted posterior acetabular wall fractureInt Orthop. 2011 Dec;35(12):1903-4; author reply 1905-6. doi: 10.1007/s00264-011-1358-8. Epub 2011 Sep 25.