Methods for measuring the perfusion of fluid in a substance are shown to include subjecting the fluid to electromagnetic energy so as to cause a response related to the magnetization of the fluid before it enters the substance, performing magnetic resonance measurements on the substance to generate intensity...http://www.google.fr/patents/US5402785?utm_source=gb-gplus-shareBrevet US5402785 - Methods for measuring perfusion using magnetic resonance imaging
Methods for measuring perfusion using magnetic resonance imaging