Surekha R, Archana R, and Vijayalakshmi B. “Effect of Regular Dance Practice on Pulmonary Functions and Respiratory Efficiency in Female Bharatanatyam Dancers – A Pilot Study”. International Journal of Research in Pharmaceutical Sciences, Vol. 9, no. 4, Oct. 2018, pp. 1268-73, https://pharmascope.org/index.php/ijrps/article/view/462.