Emilius D, Susanto TD, Timotius M, Lumbuun N. Validity And Reliability Of The Patient Health Questionnaire-9 (PHQ-9) Instrument For Screening Depression in Patients with Stage 5 Chronic Kidney Disease (End-Stage Renal Disease). méd. prof. j. of Lampung [Internet]. 2026Feb.1 [cited 2026Feb.3];16(4):1-7. Available from: http://www.journalofmedula.com/index.php/medula/article/view/1838