Kartikasari, D.P. and Hindariati, E. 2021. Successful Triple Valve Surgery in an Undernourished Patient: What to Prepare?. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya. 5, 2 (Jul. 2021). DOI:https://doi.org/10.30651/jqm.v5i2.6189.