For citations:
Kel'tsev V.A., Grebenkina L.I., Moiseeva E.D. COMPARATIVE EVALUATION OF THE EFFICIENCY AND SAFETY OF TREATING CHILDREN WITH POLYARTICULARY JUVENILE IDIOPATHIC ARTHRITIS WITH METHOTREXATE AND WITH METHOTREXATE COMBINED WITH TOCILIZUMAB. Pediatric pharmacology. 2015;12(2):166-172. https://doi.org/10.15690/pf.v12i2.1279