Sumbal Salik, Shaista Rani, Rehana Hayat, Sana Manzoor, Amber Usama Malik,Sania Maqbool 2022. Comparison between Mulligan Sustained natural apophyseal glides (snags) VS McKenzie exercises in Chronic Mechanical Low back pain. Pakistan Journal of Medical & Health Sciences. 16, 10 (Nov. 2022), 141. DOI:https://doi.org/10.53350/pjmhs221610141.