1. Experiments on stimulation of nerves by alternating electrical fields;Gengerelli,1941
2. Magnetic fields accompanying transmission of nerve impulses in the frog's sciatic;Gengerelli;J Psychology,1961
3. Remote recording of physiological data by radio;Holter;Rocky Mountain Med J,1949
4. Radioelectroencephalograph for medical research;Glasscock;Electronics,1952
5. Radioelectrocardiography: a new technique for cardiovascular studies;Holter;Ann NY Acad Sci,1957