Gul, Adnan Mehmood, Tariq Nawaz, and Muhammad Saad Jibran. 2018. “TWENTY YEARS EXPERIENCE OF SUCCESSFUL PERCUTANEOUS TRANSMITRAL COMMISUROTOMY PERFORMED THROUGH PATENT FORAMEN OVALE”. Pakistan Heart Journal 50 (4). https://doi.org/10.47144/phj.v50i4.1360.