2023. Efficacy Of Percutaneous Transvenous Mitral Commisurotomy To Immediately Reduce Pulmonary Hypertension In Patients With Severe Rheumatic Mitral Stenosis. Journal of Pharmaceutical Negative Results. (May 2023), 3886–3891. DOI:https://doi.org/10.47750/pnr.2023.14.03.486.