Hannah, A. O., N. E. Ogechi, A. W. Hellen, and B. E.-A. Samuel. “Inflammatory Markers in Workers Occupationally Exposed to Petrol and Petroleum Products”. International Blood Research & Reviews, Vol. 12, no. 4, Sept. 2021, pp. 44-52, doi:10.9734/ibrr/2021/v12i430159.