THE EVALUATION OF THE DYNAMICS OF PERSISTENT ERYTHEMA ON THE SKIN OF THE FACE IN PATIENTS RECEIVING HYPOTENSIVE THERAPY WITH B - ADRENOBLOCKERS AND INDIRECT ANTICOAGULANTS IN COMPARISON WITH THE COMBINED DRUG EXFORGE Article Karpova A.V., Batkaev E.A., Ogurtsov P.P., Fedorova V.N. Актуальные вопросы дерматовенерологии. Курский государственный медицинский университет. P. 80-84