L. B. ALI and C. A. MOHAMMAD, “THE EFFECT OF NON-SURGICAL PERIODONTAL THERAPY ON PERIODONTAL PARAMETERS, MALONDIALDEHYDE, TOTAL OXIDANT STATUS AND ANTIOXIDANT CAPACITY IN SMOKERS WITH CHRONIC PERIODONTITIS”, JDU, vol. 25, no. 2, pp. 329-345, Dec. 2022.