Franklin JM, Dejene S, Huybrechts KF, Wang SV, Kulldorff M, Rothman KJ. A bias in the evaluation of bias comparing randomized trials with nonexperimental studies. Epidemiol Methods. 2017 Apr;6(1):20160018.. doi: 10.1515/em-2016-0018.
Jackson D, Earnshaw SR, Farkouh R, Schwamm L. Cost-effectiveness of CT perfusion for selecting patients for intravenous thrombolysis: a US hospital perspective. Am J Neuroradiol. 2010 Oct 1;31(9):1669-74.
Strickland A, Brogan AJ, Krauss J, Martindale R, Cresci G. Is the use of specialized nutritional formulations a cost-effective strategy? A national database evaluation. J Parenter Enter Nutr. 2005 Jan 1;29(1 Suppl):S81-91.
Palka P, Lange A, Wright RA, Starkey IR, Fleming AD, Bouki KP, Sutherland GR, Shaw TRD, Fox KAA. Myocardial velocity gradient measured throughout the cardiac cycle in dilated cardiomyopathy hearts — a potential new parameter of systolic and diastolic myocardial function by Doppler myocardial imaging. European journal of ultrasound. 1997 Jun 1;5(3):141-54. doi: 10.1016/S0929-8266(97)00014-1
Hoskins PR, Fleming A, Stonebridge PA, Allan PL, Cameron D. Scan-plane vector maps and secondary flow motions in arteries. European journal of ultrasound. 1994 Apr 1;1(2):159-69.