TY - GEN AU - Matamala-Adell,Marta AU - Vallejo-Gil,Jose M AU - Ballester-Cuenca,Carlos TI - [Pacemaker implantation via a persistent left superior vena cava] SN - 1579-2242 PY - 2007///0720 KW - Aged KW - Humans KW - Male KW - Pacemaker, Artificial KW - Vena Cava, Superior KW - abnormalities N1 - Publication Type: Case Reports; Journal Article ER -