Siregar, Fazwishni, and S.M. M.S. Akbar. “Jatropha Curcas Latex Inhibits the Release of Collagenase by Gingival Fibroblast”. Medical Journal of Indonesia 16, no. 4 (November 1, 2007): 219-23. Accessed May 1, 2024. http://mji.ui.ac.id/journal/index.php/mji/article/view/282.