Khan H, Jaiswal KJ, Sant SK, Kumar S. Comparison of pulmonary function of women in 2nd trimester and non-pregnant women, in central Uttar-Pradesh, India. Int J Res Med Sci [Internet]. 2019 Jul. 25 [cited 2025 Dec. 5];7(8):3066-9. Available from: https://www.msjonline.org/index.php/ijrms/article/view/6774