Crowe HM, Wesselink AK, Wise LA, Jick SS, Rothman KJ, Mikkelsen EM, Sorensen HT, Hatch EE. Pre-pregnancy migraine diagnosis, medication use, and spontaneous abortion: a prospective cohort study. J. Headache Pain. 2022 Dec 20;23(1):162. doi: 10.1186/s10194-022-01533-6
Quinlan SC, Hawes JCL, Mines D, Ahmed S, Lanes S, Mehta V, Holick CN, Santanello N, Mast TC. Performance of an administrative claims algorithm to estimate the incidence of pure red cell aplasia in chronic hepatitis C patients. Epidemiology reports. 2015;3(1). doi: 10.7243/2054-9911-3-1
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