Medicine & Life Sciences
Tobacco Products
100%
Tobacco
98%
Smokeless Tobacco
77%
N'-nitrosonornicotine
61%
Smokers
57%
Nitrosamines
57%
Nicotine
53%
Carcinogens
53%
4-(methylnitrosamino)-1-(3-pyridyl)-1-butan-1-ol
32%
4-(N-methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone
31%
Biomarkers
26%
DNA Adducts
26%
Smoke
25%
Electronic Nicotine Delivery Systems
23%
Cotinine
21%
Tandem Mass Spectrometry
20%
Liquid Chromatography
19%
Tobacco Use
15%
Smoking
14%
Head and Neck Neoplasms
13%
Self Stimulation
12%
Lung Neoplasms
12%
pyridine
11%
Camelus
11%
Glucuronides
11%
Lung
10%
Tobacco Industry
10%
Metabolic Activation
10%
Tobacco Use Cessation Devices
9%
Squamous Cell Carcinoma of Head and Neck
9%
Polycyclic Aromatic Hydrocarbons
9%
1-hydroxypyrene
9%
Phosphates
9%
Electrospray Ionization Mass Spectrometry
9%
4-hydroxy-1-(3-pyridyl)-1-butanone
8%
Nails
8%
Ventilation
8%
nornicotine
8%
DNA
7%
Cohort Studies
7%
Tobacco Use Cessation
7%
4-hydroxy-4-(3-pyridyl)butanoic acid
7%
phenethyl isothiocyanate
6%
African Americans
6%
Neoplasms
6%
Health
6%
8-Hydroxy-2'-Deoxyguanosine
5%
India
5%
Inbred F344 Rats
5%
Chemical Compounds
Nicotine
19%
Electronic Cigarette
18%
Adduct
13%
Biological Marker
12%
Nitrosamine
12%
Smoke
11%
Intracranial
10%
4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol
10%
Metabolite
7%
Nornicotine
6%
Metabolic Activation
6%
Carcinogenic
6%
Liquid
6%