Khalil, H. M. ., Kadri, Z. H. M. . and Rahman, H. K. . (2014) “Assessment of Adenosine deaminase specific activity in serum and saliva of patients with chronic gingivitis”, Journal of Biotechnology Research Center (JOBRC), 8(2), pp. 37–40. doi: 10.24126/jobrc.2014.8.2.327.