we previously reported that bp-7,8-dihydrodiol ( +/- trans ) was approximately as potent as bp , suggesting that it may be a proximate carcinogen , but the alleged ultimate carcinogen of bp [ bp-7,8-dihydrodiol-9,10-epoxide ( anti ) ] was a weak tumor initiator ( cancer lett.2 : 115 , 1976 ) .
C0027651
tumor
C0006826
cancer