Widiana, Adek, & Eka Febriyanti.
" THE RELATIONSHIP BETWEEN CAFFEINATED BEVERAGE INTAKE AND MENSTRUAL CYCLES IN MEDICAL FACULTY STUDENTS OF UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA." E-Jurnal Medika Udayana [Online], 14.2 (2025): 7-10. Web. 11 Apr. 2026