title: Regarding the value reported for the term "spatial gradient magnetic field" and how this information is applied to labeling of medical implants and devices.
authors.affiliation: Department of Radiology, Institute for Magnetic Resonance Safety, Education, and Research, Keck School of Medicine, University of Southern California, 7511 McConnell Ave., Los Angeles, CA 90045, USA. frank.shellock@gte.net
authors.forename: Frank G
authors.initials: FG
authors.lastname: Shellock
authors.forename: Emanuel
authors.initials: E
authors.lastname: Kanal
authors.forename: Tobias B
authors.initials: TB
authors.lastname: Gilk
mesh_terms: D001672:Biocompatible Materials; D004574:Electromagnetic Fields; D004869:Equipment Safety; D004864:Equipment and Supplies; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000009:adverse effects* / Q000295:instrumentation*; D019736:Prostheses and Implants; D012015:Reference Standards; D014481:United States
chemical_list: D001672:Biocompatible Materials