Authors: Kirchhof, P Kohl, T Eckardt, L Gogarten, W Asfour, B Witteler, R Reckers, J Marcus, AE VanAken, H Scheld, HH Vogt, J Borggrefe, M Breithardt, G Haverkamp, W

Citation: P. Kirchhof et al., Simultaneous in utero assessment of AV nodal and ventricular electrophysiologic parameters in the fetal sheep heart, BAS R CARD, 96(3), 2001, pp. 251-257

Authors: Kohl, T Witteler, R Strumper, D Gogarten, W Asfour, B Reckers, J Merschhoff, G Marcus, AE Weyand, M Van Aken, H Vogt, J Scheld, HH

Citation: T. Kohl et al., Operative techniques and strategies for minimally invasive fetoscopic fetal cardiac interventions in sheep, SURG ENDOSC, 14(5), 2000, pp. 424-430

Authors: Kohl, T Strumper, D Witteler, R Merschhoff, G Alexiene, R Callenbeck, C Asfour, B Reckers, J Aryee, S Vahlhaus, C Vogt, J Van Aken, H Scheld, HH

Citation: T. Kohl et al., Fetoscopic direct fetal cardiac access in sheep - An important experimental milestone along the route to human fetal cardiac intervention, CIRCULATION, 102(14), 2000, pp. 1602-1604

Authors: Kohl, T Suda, K Reckers, J Scheld, HH Vogt, J Silverman, NH

Citation: T. Kohl et al., Fetal transesophageal echocardiography utilizing a 10-F, 10-MHZ intravascular ultrasound catheter - Comparison with conventional maternal transabdominal fetal echocardiography in sheep, ULTRASOUN M, 25(6), 1999, pp. 939-946

Authors: Kohl, T Kirchhof, PF Gogarten, W Reckers, J Asfour, B Witteler, R Haverkamp, W Eckardt, L Marcus, AE VanAken, H Breithardt, G Vogt, J Scheld, HH

Citation: T. Kohl et al., Fetoscopic transesophageal electrocardiography and stimulation in fetal sheep - A minimally invasive approach aimed at diagnosis and termination of therapy-refractory supraventricular tachycardias in human fetuses, CIRCULATION, 100(7), 1999, pp. 772-776