Padmini AK, Basheer S. Evaluating the technique of use of metered dose inhaler and dry powder inhaler use technique among bronchial asthma and COPD patients attending tertiary health care centre in South India. Int J Community Med Public Health [Internet]. 2021 Aug. 27 [cited 2025 Nov. 14];8(9):4545-9. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/8484