To cite this article: A. Nimra, Ali, Z., Safdar, S. and Ahmad, R., 2020. Evaluation of air-borne trace metals in orthopaedic sections of health care facilities. Punjab Univ. J. Zool., 35(1): 91-98. https://dx.doi.org/10.17582/journal.pujz/2020.35.1.91.98