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
Ferrer P, Sabate M, Ballarin E, Fortuny J, Rottenkolber M, Schmiedl S, Laporte JR, Ibanez L. Sales of macrolides, lincosamides, streptogramins, and amoxicillin/clavulanate in the in- and outpatient setting in 10 European countries, 2007-2010. Springerplus. 2015 Oct 15;4:612. doi: 10.1186/s40064
Maclean EN, Stone IS, Ceelen F, Garcia-Albeniz X, Sommer WH, Petersen SE. Reporting standards in cardiac MRI, CT, and SPECT diagnostic accuracy studies: analysis of the impact of STARD criteria. Eur Heart J Cardiovasc Imaging. 2014 Jun;15(6):691-700. doi: 10.1093/ehjci/jet277