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.
Williams V, Rousculp MD, Price M, Coles T, Therrien MA, Griffin J, Hollis K, Toback S. Elementary school-located influenza vaccine programs: key stakeholder experiences from initiation to continuation. J Sch Nurs. 2012 Aug 1;28(4):256-67.
Loughlin J, Quinn S, Rivero E, Wong J, Huang J, Kralstein J. Tegaserod and the risk of cardiovascular ischemic events: an observational cohort study. J Cardiovasc Pharmacol. 2010 Jun;15(2):151-7.
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.
Dubrey SW, Gnanasakthy A, Stein WK, Song JG, Hardman T, Hynd J, Noble MI. Enoximone in chronic stable angina: a double-blind placebo-controlled cross-over trial. J Cardiovasc Pharmacol. 1994 Apr;23(4):532-8.