Gofur, N. R. P. ., Gofur, A. R. P. ., Gofur, R. N. R. P. ., Kahdina, M. ., Putri, H. M. ., & ., S. (2021). Decrease of Salivary Melatonin Level in Periodontal Disease: A Review Article. Journal of Medical Research and Health Sciences, 4(3), 1192–1198. https://doi.org/10.15520/jmrhs.v4i3.318