Sukesh, Shreya Chakraborty, Dr. Nalini M. “Relationship Between Depressive Symptoms With Vitamin D Level Among Nursing Students In Selected Colleges At Mangaluru”. Drugs and Cell Therapies in Hematology, vol. 10, no. 1, Oct. 2021, pp. 2585-94, http://www.dcth.org/index.php/journal/article/view/548.