Garcia-Albeniz X, Logan RW, Schrag D, Hernan MA. Evaluation of the duplication of staging CT scans for localized colon cancer in a Medicare population. Med Care. 2014 Nov;52(11):963-8. doi: 10.1097/MLR.0000000000000231
Matharu M, Pascual J, Nilsson Remahl I, Odom D, Gutierrez L, Andrews E, Largent J, Johannes C. EHMTI-0192. Onabotulinumtoxina prophylaxis in chronic migraine utilization and patient characteristics: observational study in the European Union. Poster presented at the 4th European Headache and Migraine Trust International Congress 2014; September 2014. Copenhagen, Denmark. [abstract] J. Headache Pain. 2014 Sep 18; 15(Suppl 1):G24. doi: 10.1186/1129-2377-15-S1-G24