Keyphrases
Tobacco
91%
Smokers
85%
Carcinogen
84%
Nicotine
78%
N-nitrosamines
66%
4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone
57%
Cigarette
55%
N'-nitrosonornicotine
55%
Smokeless Tobacco Products
47%
Tobacco Products
37%
Snus
30%
Cotinine
28%
Lung
25%
Electronic Cigarettes
23%
DNA Adducts
21%
Toxicants
21%
Smokeless Tobacco Users
21%
Cancer Risk
20%
Cigarette Smokers
20%
Exposure Biomarkers
20%
Tobacco Use
20%
Glucuronide
19%
Head-and-neck Squamous Cell Carcinoma (HNSCC)
18%
Head-and-neck Cancer
17%
Filter Ventilation
17%
Lung Cancer Risk
17%
Cigarette Smoking
17%
Phosphate
16%
Metabolic Activation
16%
Nitrosamines
16%
Camel
14%
Intracranial Self-stimulation
14%
Pyridyl
13%
Tobacco Smoke
13%
Toenail
13%
Polycyclic Aromatic Hydrocarbons
13%
Liquid Chromatography
12%
Tobacco Carcinogens
12%
Cigarette Filter
12%
Pyridine
11%
Lung Cancer
11%
Health Effects
11%
African American
10%
Liquid Chromatography-electrospray Ionization-mass Spectrometry (LC-ESI-MS)
10%
India
10%
Abuse Liability
10%
Liquid Chromatography-tandem Mass Spectrometry (LC-MS/MS)
10%
Adduct Formation
10%
Moldovans
10%
Nanoelectrospray
10%
Pharmacology, Toxicology and Pharmaceutical Science
Carcinogen
100%
Biological Marker
73%
Chewing Tobacco
68%
N-Nitrosonornicotine
58%
Tobacco-Specific Nitrosamines
48%
NNK
48%
Nitrosamine
36%
4 (Methylnitrosamino) 1 (3 Pyridyl) 1 Butanone
34%
4 (Methylnitrosamino) 1 (3 Pyridyl) 1 Butanol
33%
Cotinine
28%
Electronic Cigarette
26%
Lung Cancer
26%
Malignant Neoplasm
24%
Camel
20%
Glucuronide
18%
Cohort Study
17%
Cigarette Smoke
17%
Polycyclic Aromatic Hydrocarbon
13%
Head and Neck Cancer
11%
Creatinine
11%
Electrospray Ionization
11%
Cigarette Smoking
9%
Disease
8%
2 Butanone
8%
Health Hazard
7%
Fischer 344 Rat
7%
Clinical Trial
7%
Carcinogenesis
6%
Phenethyl Isothiocyanate
6%
Deoxyguanosine
6%
Nornicotine
6%
Head and Neck Squamous Cell Carcinoma
6%
Esophagus Cancer
6%
1 Hydroxypyrene
6%
Lung Tumor
5%
Nicotine Replacement Therapy
5%
Tobacco Dependence
5%
Prevalence
5%
Neoplasm
5%
Detoxication
5%