Ridwan, R. D., T. Kusumaningsih, S. Sidarningsih, and S. Soetjipto. “Study of Adhesin from Aggregatibacter Actinomycetemcomitans Local Isolate on Alveolar Bone Destruction in Aggressive Periodontitis Disease”. BERKALA PENELITIAN HAYATI JOURNAL OF BIOLOGICAL RESEARCHES, Vol. 21, no. 2, May 2016, pp. 56-60, doi:10.23869/75.