Deo, A. K.; Dash, P.; Sharma, J.; Nayak , A.; Sahu, S. R.; Jena , B.; Rout , D. Effectiveness of Mckenzie’s Exercises and Intensive Spinal Strengthening Program on Patients With Subacute or Chronic Low Back Pain- A Comparative Study. ijmsdr 2025, 9, 97-110.