RETRACTED: Application of genetically engineered biopharmaceutical products in children with various JIA forms in the Karaganda regionTattigul Kenzhetaeva, Gulmira Serikova, Kulzhazira Alimshaikhina, Aiman Issayeva, Makpal Sabiyeva and Gulmira SarmankulovaBIO Web Conf., 84 (2024) 03028DOI: https://doi.org/10.1051/bioconf/20248403028