Table 2 Characteristics of high-frequency MeSH terms

1

Tobacco Smoke Pollution

149

Humans

192

Animals

80

Aorta

37

2

Smoke

84

Male

186

Mice

45

Endothelium, Vascular

26

3

Particulate Matter

70

Female

150

Mice, Knockout

34

Tunica Intima

12

4

Air Pollutants

50

Middle Aged

108

Disease Models, Animal

20

Carotid Arteries

8

5

Particle Size

37

Aged

88

Rabbits

16

Myocardium

7

6

Air Pollution

33

Adult

87

Rats

8

Brachial Artery

6

7

Vehicle Emissions

16

Aged, 80 and over

22

Chickens

7

Carotid Artery, Common

6

8

Carbon Monoxide

14

Adolescent

16

Dogs

3

Tunica Media

6