Yesmin, F., Begum, S., & Ferdousi, S. (2011). PEFR and FEF<sub>25-75</sub> in Rheumatoid Arthritic Female and their Relationships with Duration of the Disease. Journal of Bangladesh Society of Physiologist, 6(1), 58–63. https://doi.org/10.3329/jbsp.v6i1.8086