Safety and Magnetic Resonance ImagingBMJ 308:1181-1182, Mosely,I., 1994
Magnetic Resonance ImagingNEJM 328:708-716, 785-7911993., Edelman,R.R.&Warach,S., 1993
Diaphragm Pacing in Infants and ChildrenJ Pediatr 120:1-8, Weese-Mayer,D.E.,et al, 1992