Polly, Z. A., Begum, S., Ferdousi, S., Begum, N., Ali, T., & Begum, A. (2012). Relationship Of FEF<sub>25-75</sub>, Pefr And SVC With Estrogen And Progesterone Level In Postmenopausal Women. Journal of Bangladesh Society of Physiologist, 6(2), 116–121. https://doi.org/10.3329/jbsp.v6i2.9761