Islam, Farhana, Nasim Jahan, and Nayma Sultana. “Effect of Combined Oral Contraceptive Pill on FVC, FEV1 and FEV1/FVC%”. Journal of Bangladesh Society of Physiologist 10, no. 1 (August 21, 2015): 21–25. Accessed September 18, 2024. https://banglajol.info/index.php/JBSP/article/view/24613.