TY - JOUR T1 - Electrocardiographic Changes in the Early and Late Periods After Percutaneous Balloon Pulmonary Valvuloplasty AU - ÇEHRELİ, Sengül AU - ÖZER, Can AU - GÖKSEL, Siber AU - SÖZÜTEK, Yalçın Y1 - 1990 PY - 1990 DA - 1990 N1 - doi: DO - T2 - Archives of the Turkish Society of Cardiology JF - Archives of the Turkish Society of Cardiology JO - Turk Kardiyol Dern Ars SP - 205 EP - 208 VL - 18 IS - 3 SN - M3 - doi: UR - https://dx.doi.org/ Y2 - 1990 ER -