Morris A, Samsell B, Dorsch K, McLean J, Moore M, Fox T, Roth C. Use of acellular dermal matrix for reconstruction of massive rotator cuff tears in an older population. Orthop Muscular Syst. 2018 Nov 1;7(4):1000261. doi: 10.4172/2161-0533.1000261
Wardman M, Chintakayala PK, de Jong G. Values of travel time in Europe: review and meta-analysis. Transp Res Part A Policy Pract. 2016 Dec;94:93-111. doi: 10.1016/j.tra.2016.08.019