the 1h nmr spin-lattice relaxation time ( t1 ) , spin-spin relaxation time ( t2 ) , and spin-lattice relaxation time in the rotating frame ( t1rho ) were determined for novikoff hepatoma , walker-256 carcinosarcoma , sarcoma-180 and ehrlich ascites tumor as well as for 7 normal tissues in the rat at 2.18 mhz .
C0007140
carcinosarcoma
C0040300
normal tissues