For citations:
Zemtsovsky E.V., Malev E.G., Reeva S.V. SYSTEMIC INVOLVEMENT OF CONNECTIVE TISSUE AND THE HEART AS IMPORTANT CHARACTERISTICS OF PRIMARY MITRAL VALVE PROLAPSE. Russian Journal of Cardiology. 2014;(9):54-60. (In Russ.) https://doi.org/10.15829/1560-4071-2014-9-54-60