“The role of serum type IV collagen and serum procollagen type III (PIIINP) as biomarkers for the detection and staging of liver fibrosis in a sample of Iraqi patients with chronic liver disease”, Journal of Pharmaceutical Negative Results, vol. 13, no. 4, pp. 93–99, Oct. 2022, doi: 10.47750/pnr.2022.13.04.011.