Shumahia Parveen, et al. “COMBINED EFFECT OF MULTIPLE ANGLE ISOMETRIC EXERCISE AND ELECTRICAL STIMULATION IN TREATMENT OF KNEE OSTEOARTHRITIS”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 31, no. 11, Nov. 2024, pp. 485-96, https://doi.org/10.53555/mtpkwx32.