Sulistyani, H., Fujita, M. and Nakazawa, F. 2016. EFFECT OF ROSELLE CALYX EXTRACT ON GINGIPAIN ACTIVITY, PRODUCTION OF INFLAMMATORY CYTOKINES, AND ORAL BACTERIAL MORPHOLOGY. Journal of microbiology, biotechnology and food sciences. 6, 3 (Dec. 2016), 961–965. DOI:https://doi.org/10.15414/jmbfs.2016/17.6.3.961-965.