Polly, Zinat Ara, Shelina Begum, Sultana Ferdousi, Noorzahan Begum, Taskina Ali, and Afroza Begum. 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):116-21. https://doi.org/10.3329/jbsp.v6i2.9761.