Wiboworini, B.; Ayusari, A. A.; Myrtha, R.; Rahayu, D.; Widardo, W.; Lanti, Y.; Shabrina, A.; Sudarsono, J.; Handayani, S. S.; Lucas, G. A. Relationship Between Vitamin C and Length of Hospital Stay for Covid-19 Patients With Comorbidities. MKB 2022, 54, 14-19.