Sehar, Nida, Hina Rajah, Hamid Hussain, & Shabbir Ahmed. " EFFECTS OF MOIST HEAT THERAPY PRE AND POST BACK EXTENSION EXERCISES ON NON-SPECIFIC BACK PAIN IN MIDDLE AGED FEMALES." International Journal of Rehabilitation Sciences (IJRS) [Online], 7.02 (2018): 2-6. Web. 27 Feb. 2020