RT Journal Article SR Electronic T1 Severe primary tricuspid regurgitation with large tunnel-shaped patent foramen ovale JF Heart Asia JO Heart Asia FD BMJ Publishing Group Ltd, British Cardiovascular Society and Asia Pacific Heart Association SP 67 OP 68 DO 10.1136/heartasia-2012-010103 VO 4 IS 1 A1 Behdad Bahadorian A1 Majid Maleki A1 Anoushiravan Vakili-Zarch A1 Zahra Alizadeh-Sani YR 2012 UL http://heartasia.bmj.com/content/4/1/67.abstract AB