Cavlu, V;    Brennan, P;      (2019)    Determining the Position and Orientation of In-body Medical Instruments Using Near-Field Magnetic Field Mapping.                   IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology        10.1109/JERM.2019.2914402 <https://doi.org/10.1109/JERM.2019.2914402>.    (In press).    Green open access