For citations:
Kizhvatova N.V., Kosmacheva E.D., Kruchinova S.V., Namitokov A.M. Difficult diagnostics of a rare cause of pulmonary hypertension: a case report. Russian Journal of Cardiology. 2021;26(1S):4209. (In Russ.) https://doi.org/10.15829/1560-4071-2021-4209