Short-Term Heart Rate Variability Response to Head-Up Tilt in Young Syncope Patients and Controls with Respect to Age. - Hartmut Dickhaus; Christoph Maier; Markus Khalil; Herbert E. Ulmer (EMBC, 2006)

Identification and Genotype Related Classification of Children with Long Qt-Syndrome Using 24h Holter Recordings. - Matthias Bauch; Annamaria Siegler; Markus Khalil; Jörg Zehelein; Herbert E. Ulmer; Hartmut Dickhaus (MedInfo, 2007)