Hassan M.M. Masoud, Mohamed S. Helmy, and Mahmoud A. Ibrahim. “Superoxide Dismutases from the Camel Plasma: Purification and Characterization of Two copper/Zinc Isoforms”. Journal of Innovations in Pharmaceutical and Biological Sciences, vol. 5, no. 4, Oct. 2018, pp. 12-19, doi:10.56511/JIPBS.2018.v5.i04.pp12-19.