van Geldorp IE, Delhaas T, Gebauer RA, Frias P, Tomaske M, Friedberg MK, Tisma-Dupanovic S, Elders J, Fr?h A, Gabbarini F, Kubus P, Illikova V, Tsao S, Blank AC, Hiippala A, Sluysmans T, Karpawich P, Clur SA, Ganame X, Collins KK, Dann G, Thambo JB, Trigo C, Nagel B, Papagiannis J, Rackowitz A, Marek J, N?rnberg JH, Vanagt WY, Prinzen FW, Janousek J. Impact of the permanent ventricular pacing site on left ventricular function in children: a retrospective multicentre survey. Heart. 2011 Dec; 97(24):2051-5.