Tarsitano, Agostino, and Ilaria L. Amerise. “Multivariate Analysis of Data on Migraine Treatment”. International Journal of Statistics in Medical Research 8 (August 26, 2019): 40–50. Accessed September 26, 2024. https://lifescienceglobal.com/pms/index.php/ijsmr/article/view/6079.