Khanna, M., Dahiya, A., Garg, A., Yadav, U., Sheoran, A., Dutta, M., Singh, L., Sharma, R., & ., A. (2020). Estimation of vitamin D level in low backache cases and their outcome after treatment with vitamin D. International Journal of Research in Orthopaedics, 7(1), 120–124. https://doi.org/10.18203/issn.2455-4510.IntJResOrthop20205572