Z. . . A. Daily and A. . . N. Mohammed, “Periodontal Health Status and Assessment of Osteocalcin levels in Saliva of Diabetic Patients and Systemically Healthy Persons (Comparative study)”, J Bagh Coll Dent, vol. 29, no. 1, pp. 89–95, Mar. 2017, doi: 10.12816/0038632.