Medicine & Life Sciences
Caffeine
34%
Coffee
12%
Confidence Intervals
6%
Diet
37%
Ephedrine
14%
ephedrine drug combination caffeine
100%
Maternal Age
11%
Mothers
6%
Parturition
37%
Pharmaceutical Preparations
22%
Pregnancy
26%
Pregnancy Outcome
10%
Prescription Drugs
12%
Proportional Hazards Models
9%
Registries
8%
Spontaneous Abortion
56%
Agriculture & Biology
abortion (animals)
58%
caffeine
59%
confidence interval
11%
diet
27%
diet therapy
16%
drug therapy
21%
drugs
36%
ephedrine
82%
methodology
2%
pregnancy
32%
pregnancy outcome
15%
Earth & Environmental Sciences
coffee
12%
confidence interval
10%
diet
47%
drug
44%
effect
2%
hazard
15%
hospital
10%
method
2%
pregnancy
59%
prescription
12%
registration
10%
woman
20%
Mathematics
Background
9%
Confidence interval
9%
Cox Regression Model
15%
Drugs
55%
Estimate
4%
Evaluate
8%
Form
4%
Hazard
24%
Left Truncation
15%
Linking
11%
Pregnancy
76%
Registration
14%
Engineering & Materials Science
Caffeine
89%
Coffee
24%
Hazards
31%
Nutrition
68%