Holger Hein

Sleep-disordered breathing and cardio- and cerebrovascular diseases: 2003 update of clinical significance and future perspectives

Ingo Fietze, Ludger Grote, Heinrich F. Becker, 2003 .

Actigraphy combined with EEG compared to polysomnography in sleep apnea patients.

Thomas Penzel, Ingo Fietze, Markku Partinen, 2015, Physiological measurement.