@misc{indiciae13a68a3e7ff0, title = {[Certain problems of therapy with beta-interferon preparations].}, author = {E I Gusev and T L Demina and A N Boĭko and N V Khachanova}, year = {2003}, url = {https://pubmed.ncbi.nlm.nih.gov/12938643/}, note = {Source identifier: 12938643} }