Magnetic markers as a noninvasive tool to monitor gastrointestinal transit. - Werner Weitschies; J. Wedemeyer; R. Stehr; Lutz Trahms (IEEE Trans. Biomed. Eng., 1994)

Magneto-Optical Relaxation Measurements of Functionalized Nanoparticles as a Novel Biosensor. - Konstanze Aurich; Gunnar Glöckl; Stefan Nagel; Werner Weitschies (Sensors, 2009)