00270nam a2200097Ia 4500008004100000020001800041100002100059245004000080260004200120300001000162251117s9999||||xx |||||||||||||| ||und||  a9780433000013  aStevens, John M. 0aComputed Cranial and Spinal Imaging  bWilliam Heinemann Medical Booksc1988  a248p.