WIDIANA, Adek Firda; FEBRIYANTI, Eka. THE RELATIONSHIP BETWEEN CAFFEINATED BEVERAGE INTAKE AND MENSTRUAL CYCLES IN MEDICAL FACULTY STUDENTS OF UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA. E-Jurnal Medika Udayana, [S.l.], v. 14, n. 2, p. 7-10, feb. 2025. ISSN 2303-1395. Available at: <https://ojs.unud.ac.id/index.php/eum/article/view/115016>. Date accessed: 22 feb. 2025. doi: https://doi.org/10.24843/MU.2025.V14.i2.P02.