Zghair, Z.R. and frayyeh, R. khalid . 2026. Pathological study of  pyocyanin that Extracted from Pseudomonas aeruginosa that isolated from human with otitis. University of Thi-Qar Journal of agricultural research. 15, 1 (Jun. 2026), 313–323. DOI:https://doi.org/10.54174/ncmtb379.