Widjanantie, S. C., Syam, A. F., Nusdwinuringtyas, N., Susanto, A. D., Hidayat, R., Kekalih, A., Rachmawati, M. R., Maryastuti, M., Damayanti, T., Prathiwi, P., Choi, W. A. and Kang, S. W. (2024) “Prediction Equations for Calculating Maximal Inspiratory Pressure from Spirometry and Thoracic Ultrasound After COVID-19 with Gastroesophageal Reflux Disease in Indonesian Adults: A Cross-sectional Study”, Acta Medica Indonesiana, 56(3), p. 314. Available at: http://actamedindones.org/index.php/ijim/article/view/2675 (Accessed: 12November2025).