Islam, S., Jahan, N., Sultana, N. and Akter, R. 2011. FVC, FEV₁ and FEV₁/FVC% in Patients with Depressive Illness and their Relationships with the level of Depression. Journal of Bangladesh Society of Physiologist. 5, 2 (Jan. 2011), 94–100. DOI:https://doi.org/10.3329/jbsp.v5i2.6784.