title: Induction of lung cancer in germfree, specific-pathogen-free, and infected rats by N-nitrosoheptamethyleneimine: enhancement by respiratory infection.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001392:Azocines / Q000008:administration & dosage; D002273:Carcinogens / Q000494:pharmacology*; D002294:Carcinoma, Squamous Cell / Q000139:chemically induced* / Q000150:complications; D005260:Female; D005856:Germ-Free Life; D008175:Lung Neoplasms / Q000139:chemically induced* / Q000150:complications; D008297:Male; D009175:Mycoplasma Infections / Q000150:complications; D009374:Neoplasms, Experimental / Q000139:chemically induced; D009602:Nitrosamines / Q000008:administration & dosage / Q000494:pharmacology*; D011024:Pneumonia, Viral / Q000150:complications; D051381:Rats; D012141:Respiratory Tract Infections / Q000150:complications*; D012737:Sex Factors
chemical_list: D001392:Azocines; D002273:Carcinogens; D009602:Nitrosamines; C002148:N-nitrosoheptamethyleneimine