Sri wahdaningsih, Subagus Wahyuono, Sugeng Riyanto, and Retno Murwanti, “Β-Sitosterol of Red Dragon Fruit (Hylocereus Polyrhizus) and Its Response to Macrophage And Nitric Oxide”, Indonesian J Pharm, vol. 32, no. 3, pp. 399-407, Sep. 2021.