Linawati, Ni Made, I Wayan Rai Widarta, Susy Purnawati, I Nyoman Wande, Dewa Ayu Agus Sri Lak- semi, I Gusti Nyoman Sri Wiryawan, Indira Vidiari Juhanna, and I Gusti Ayu Dewi Ratnayanti. “Euphorbia Milii and Propolis (EMP) Combination Tea Maintains Cellular Immunity in Volunteers During the Pandemic of Covid-19 Without Interfering With the Functions of Liver and Kidney ”. Pharmakeftiki 35, no. 2 (May 17, 2023). Accessed August 29, 2025. https://pharmakeftiki.hsmc.gr/pj/article/view/70.