Wardman M, Chintakayala P, Heywood C. The valuation and demand impacts of the worthwhile use of travel time with specific reference to the digital revolution and endogeneity. Transportation. 2019 Oct 23;47:1515-40. doi: 10.1007/s11116-019-10059-x
Batley R, Bates J, Bliemer M, Borjesson M, Bourdon J, Cabral MO, Chintakayala P, Choudhury C, Daly A, Dekker T, Drivyla E, Fowkes T, Hess S, Heywood C, Johnson D, Laird J, Mackie P, Parkin J, Sanders S, Sheldon R, Wardman M, Worsley T. New appraisal values of travel time saving and reliability in Great Britain. Transportation. 2019 Jun;46:583-621. doi: 10.1007/s11116-017-9798-7
Bristow AL, Wardman M, Chintakayala VPK. International meta-analysis of stated preference studies of transportation noise nuisance. Transportation. 2015;42:71-100. doi: 10.1007/s11116-014-9527-4
Groenwold RH, Klungel OH, Altman DJ, van der Graaf Y, Hoes AW, Moons KG, Rivero E, Fortuny J, PROTECT WP2. Adjustment for continuous confounders: an example of how to prevent residual confounding. Can Med Assoc J. 2013 Mar 19;185(5):401-6. doi: 10.1503/cmaj.120592
Huybrechts KF, Rothman KJ, Silliman RA, Brookhart MA, Schneeweiss S. Risk of death and hospital admission for major medical events after initiation of psychotropic medications in older adults admitted to nursing homes. Can Med Assoc J. 2011 Apr 1;183(7):E411-9.