For citations:

Akhunova R.R., Yakupova S.P., Yakhin K.K., Salikhov I.G. Borderline psychic disorders in patients with rheumatoid arthritis (according to the data of the questionnaire of K.K. Yakhin and D.M. Mendelevich). Rheumatology Science and Practice. 2012;50(2):56-58. (In Russ.) https://doi.org/10.14412/1995-4484-2012-1274