Muhammad Usman Khalid, Mohammad Hamza Bajwa and Akbar Jaleel Zubairi 2023. Stem cells in degenerative lumbar spine disease: a review and focus on utility in Low- and Middle-Income Countries. Journal of the Pakistan Medical Association. 73, 2 (Jan. 2023), S124-S130. DOI:https://doi.org/10.47391/JPMA.AKUS-20.