An instrument for electrical bio-impedance based cardiac and respiratory monitoringEek, Andres; Härm, Härmo; Min, Mart; Parve, Toomas10th Nordic-Baltic Conference on Biomedical Engineering. Satellite Symposium on Bioelectromagnetic and Biomechanic Measurements, June 13-15, 1996, Tallinn, Estonia2011 / p. 29-30: ill