Hasan RM, Ahmed JN. Determination of the effect of stress on the salivary cortisol level among sample of university students having myofacial pain. J Bagh Coll Dent. 2013;25(3):87-90. Accessed July 3, 2025. https://www.jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/263