Pullishery, Fawaz Salivary Thiocyanate, Uric Acid and pH as Biomarkers of Periodontal Disease in Tobacco Users and Non-Users- An In-Vitro Study. [electronic resource] - Journal of clinical and diagnostic research : JCDR Jul 2015 - ZC47-50 p. digital Publication Type: Journal Article ISSN: 2249-782X Standard No.: 10.7860/JCDR/2015/12783.6203 doi