W. . . J. Obaid and B. . . A. Yas, “Selected Salivary Biomarkers in Relation to Work-related Musculoskeletal disorders among a Group of Dentists in Baghdad City”, J Bagh Coll Dent, vol. 29, no. 1, pp. 125–131, Mar. 2017, doi: 10.12816/0038648.