TY - GEN AU - Syamasundar Rao,P AU - Sideris,E B TI - Transcatheter closure of atrial septal defects SN - 1468-201X PY - 1999///1223 KW - Cardiac Catheterization KW - instrumentation KW - Heart Septal Defects, Atrial KW - surgery KW - Humans KW - Treatment Outcome N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1136/hrt.82.5.644 ER -