A magnetic resonance method and apparatus for the microscopic examination of an internal region of a body (3) wherein a probe (25) is located in the body adjacent the region during the examination, and spatial encoding of r.f. signals resulting for excitation of magnetic resonance in the region is effected...http://www.google.fr/patents/US5303707?utm_source=gb-gplus-shareBrevet US5303707 - Magnetic resonance methods and apparatus
