Akbari, B., M. Gharehzad Azari, and S. M. Mousavi. “The Relationship Between Spiritual Wellbeing and Depression, Stress, Anxiety With Cortisol Level Among Nursing Students”. Researcher Bulletin of Medical Sciences, vol. 22, no. 1, Sept. 2018, p. e16, https://journals.sbmu.ac.ir/index.php/rbms/article/view/22830.