Narmuratova, M. K., C. Cakir-Kiefer, and Z. B. Narmuratova. “Isolation and Purification of Lactoferrin from Kazakhstan Mare Milk”. International Journal of Biology and Chemistry, vol. 12, no. 2, Jan. 2020, pp. 64-69, doi:10.26577/ijbch-2019-v2-8.