Sehar, Nida, Rajah, Hina, Hussain, Hamid, AND Ahmed, Shabbir. " 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], Volume 7 Number 02 (31 December 2018)