Dubinina, Antonina, Tatiana Letuta, Tatiana Frolova, Helena Savinova, Galina Bolshakova, and Vira Novikova. 2017. “Research of Toxicity of Chitosan-Based Film-Forming Compositions”. Technology Audit and Production Reserves 6 (3(38):39-46. https://doi.org/10.15587/2312-8372.2017.119420.