Pratiwi Hendro Putri, Khairul P. Surbakti & Haflin S. Hutagalung. “DIFFERENCES IN LIPID PROFILES LEVELS BETWEEN MIGRAINE PATIENTS AND TENSION TYPE HEADACHE”. International Journal of Research Science and Management, vol. 6, no. 10, Oct. 2019, pp. 34-39, http://ijrsm.com/index.php/journal-ijrsm/article/view/253.