Welliam, Y. et al. 2025. Osteopontin and Its Clinical Correlation to Type 1 Cardiorenal Syndrome: A Literature Review. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya. 9, 01 (Jan. 2025). DOI:https://doi.org/10.30651/jqm.v9i01.20878.