Yudhani, R. D., Yuliana Heri Suselo, Dwi Rahayu, Jatu Aphridasari and Hartono, H. (2023) “The Effects of Zingiber Officinale and Propolis Supplementation on Hospitalized Covid-19 Patients’ Oxygen Saturation”, Indonesian Journal of Pharmacy, 34(3), pp. 499–509. doi: 10.22146/ijp.3544.