Batool, S. F., Noushad, S., & Ahmed, S. (2021). A Proposed Study Using Psychophysiological Biomarkers to Evaluate the Effectiveness of Cat-Cow Yoga Exercise to Reduce Chronic Musculoskeletal Low Back Pain. Annals of Psychophysiology, 8(2), 112–119. https://doi.org/10.29052/2412-3188.v8.i2.2021.112-119