Galkin, O. Y., N. P. Metalnikova, and Y. P. Gorgo. “Optimization and Intensification of Synthesis Protein-Protein and Protein-Hapten Conjugates for Highly Sensitive Immunoassays”. Cherkasy University Bulletin: Biological Sciences Series, vol. 329, no. 36, Jan. 2016, https://bio-ejournal.cdu.edu.ua/article/view/176.