[1]
W. W, S. C. Widjanantie, M. M, and N. Nusdwinuringtyas, “The improvement on Respiratory Muscle, Trunk Stability, and health status after Abdominal Drawing-in Maneuver in COPD Patients”, IndoJPMR, vol. 6, no. 02, pp. 9 - 14, Nov. 2017.