A Novel Fully Implantable Wireless Sensor System for Monitoring Hypertension Patients. - Nina J. Cleven; Jutta A. Müntjes; Holger Fassbender; Ute Urban; Michael Görtz; Holger Vogt; Maik Gräfe; Thorsten Göttsche; Tobias Penzkofer; Thomas Schmitz-Rode; Wilfried Mokwa (IEEE Trans. Biomed. Eng., 2012)