Qays S, Hadi R. Assessment of cortisol as salivary psychological stress marker in relation to temporomandibular disorders among a sample of dental students. J Bagh Coll Dent. 2015;27(2):86-92. Accessed December 19, 2024. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/716