Zagade, H. T.; Varma, A. S.; Suragimath, G. .; Zope, S.; Kale, A.; Mashalkar, V. Effect of Serum Lead on Salivary Visfatin Levels in Periodontitis Patients Using Smoke or Smokeless Form of Tobacco. Int. J. of Health Sci. 2022, 6, 3551-3563.