Stoykova, Slavena, Wladislaw Tashkov, and Nikola Peev. “Role and Significance of Residual Monomer MMA for the Comfort of Patients Using PMA Contact Lenses”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 45, no. 2 (May 9, 2019): 196–204. Accessed October 12, 2025. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/9940.