Anderson C, Smitherman AB, Meernik C, Edwards TP, Deal AM, Cannizzaro N, Baggett CD, Chao C, Nichols HB. Patient/provider discussions about clinical trial participation and reasons for nonparticipation among adolescent and young adult women with cancer. J Adolesc Young Adul. 2020 Feb;9(1):41-6. doi: 10.1089/jayao.2019.0078
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