differences in the susceptibilities of the urinary bladder epithelium of wistar rats , icr mice , syrian golden hamsters , and hartley guinea pigs to three n-nitroso compounds , n-butyl-n- ( 4-hydroxybutyl ) nitrosamine , n-ethyl-n- ( 4-hydroxybutyl ) nitrosamine , and n-butyl-n- ( 3-carboxypropyl ) nitrosamine , were examined histologically .
C0028199
nitroso compounds
C0028197
nitrosamine