Khattak MT, Hafizullah M. An experience of Percutaneous Transeptal Balloon Mitral commissurotomy (PTMC) Via Patient Foramen ovale (PFO). J Postgrad Med Inst [Internet]. 2011 Sep. 23 [cited 2024 Dec. 19];17(1). Available from: https://jpmi.org.pk/index.php/jpmi/article/view/805