Mathematics
Asthma
100%
Tobacco
98%
Pregnancy
95%
Smoking
93%
Relative Risk
19%
Likely
14%
Nitric Oxide
13%
Background
6%
Design
4%
Range of data
4%
Medicine & Life Sciences
Tobacco Smoke Pollution
83%
Smokers
57%
Tobacco
57%
Asthma
52%
Prospective Studies
43%
Pregnancy
40%
Ex-Smokers
19%
Pregnant Women
12%
Pregnancy Trimesters
10%
Spirometry
8%
Pregnancy Outcome
7%
Nitric Oxide
6%
Adrenal Cortex Hormones
6%
Smoking
5%
Guidelines
4%
Therapeutics
1%
Earth & Environmental Sciences
asthma
79%
smoking
75%
pregnancy
74%
tobacco
70%
exposure
34%
woman
28%
observational method
11%
nitric oxide
8%
marker
6%
effect
3%
Agriculture & Biology
prospective studies
87%
asthma
77%
pregnancy
49%
tobacco
49%
relative risk
19%
pregnant women
19%
pregnancy outcome
10%
adrenal cortex hormones
8%
drug therapy
7%
signs and symptoms (animals and humans)
6%
nitric oxide
6%
adverse effects
6%
methodology
2%
Engineering & Materials Science
Tobacco
93%
Adrenal Cortex Hormones
15%
Nitric oxide
11%