Khattak, Shamaal, Mashal Gul, Hoor Ali Kakar, Ghazanfar Ullah, and Mujeeb Ur Rahman. 2019. “The Cost of Long-Term Use of Smart Phones in the Form of Text Neck Syndrome; A Systematic Review”. Rehman Journal of Health Sciences 1 (1):3-5. https://doi.org/10.52442/rjhs.v1i1.6.