1
Kottra, Christpher L, “Computer Tomography”, Microsoft Encarta
Encyclopedia 2002
2
Partain, Leon C, “Magnetic Resonance Imaging”, Microsoft Encarta
Encyclopedia 2002
3
Hornack, J.P, The Basics of MRI, “Your MRI Exam”, ©1996-2004
J.P. Hornack, Ph.D, http://www.cis.rit.edu/htbooks/mri/chap-13/chap-13.htm,
Thursday, March 4, 2004