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
Hayes AF, Montoya AK, Rockwood NJ. The analysis of mechanisms and their contingencies: PROCESS versus structural equation modeling. AMJ. 2017 Feb;25(1):76-81. doi: 10.1016/j.ausmj.2017.02.001
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