arshad, sidra 2021. FREQUENCY OF NECK AND BACK FUNCTIONAL DISABILITY AMONG UNIVERSITY STUDENTS RELATED TO USAGE OF ELECTRONIC GADGETS DURING COVID-19 QUARANTINE. Pakistan Journal of Physical Therapy (PJPT). 4, 4 (Dec. 2021). DOI:https://doi.org/10.52229/pjpt.v4i4.1666.