Caffeine-derived N-nitroso compounds. V. Carcinogenicity of mononitrosocaffeidine and dinitrosocaffeidine in bd-ix rats

appareil digestif carcinogens compuestos nitrosos digestive system edema esofago estomac haemorrhage hemorragia lungs neoplasmas neoplasme neoplasms nitroso compounds oedema oesophage oesophagus poumon pulmones rat rata rats sistema digestivo stomach symptome symptoms te tea toxicidad toxicity