in studies on the effect of dinitrosopiperazine ( dnp ) , aflatoxin b1 ( afb1 ) , methyl-nitro-nitroso-guanidine ( mnng ) and epstein-barr virus ( ebv ) infection on sce in lymphocytes from nasopharyngeal carcinoma ( npc ) patients , we found that : ( 1 ) the spontaneous sces in peripheral blood lymphocytes ( pbls ) from 75 npc patients were significantly higher than those of pbls from 44 normal adults , 24 cord blood ( cbl ) specimens , and pbls from 20 patients with chronic inflammation of the nasopharynx ;
C2931822
npc
C0027442
nasopharynx