Citation | Ghaffar, R.A., and Nadeem, K., 2022. Pathological changes caused by nematode parasites in the intestine of domestic pigeon (Columba livia) of Karachi, Sindh, Pakistan. Pakistan Journal of Nematology, 40(1): 75-79. DOI | https://dx.doi.org/10.17582/journal.pjn/2022/40.1.75.79