Widiana, Adek, AND 		Febriyanti, Eka.
" THE RELATIONSHIP BETWEEN CAFFEINATED BEVERAGE INTAKE AND MENSTRUAL CYCLES IN MEDICAL FACULTY STUDENTS OF UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA" <em>E-Jurnal Medika Udayana</em> [Online], Volume 14 Number 2 (17 February 2025)