Srivastava S, Agarwal D. Correlates of peak expiratory flow rate and deriving the prediction equation in school going children of Lucknow. Int J Community Med Public Health [Internet]. 2017 Sep. 22 [cited 2026 Jan. 27];4(10):3550-3. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/1908