Islam, Shausheen, Nasim Jahan, Nayma Sultana, and Rezina Akter. “FVC, FEV<sub>1< sub> and FEV<sub>1< Sub> FVC% in Patients With Depressive Illness and Their Relationships With the Level of Depression”. Journal of Bangladesh Society of Physiologist 5, no. 2 (January 7, 2011): 94–100. Accessed April 5, 2025. https://banglajol.info/index.php/JBSP/article/view/6784.