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