Siagian, Ira, Riki Rizkianudin, & Widyadari Prasetya Ningrum. " THE RELATIONSHIP BETWEEN ANXIETY LEVELS AND COPING IN FAMILIES OF BREAST CANCER PATIENTS." Medika Kartika : Jurnal Kedokteran dan Kesehatan [Online], 9 (2026): 1-11. Web. 20 Sep. 2026