Earth & Environmental Sciences
testosterone
100%
ornamentation
98%
antioxidant
81%
parasite
76%
oxidative stress
70%
damage
48%
defense
42%
parasite resistance
30%
fitness
29%
cost
23%
currency
19%
oxidation
19%
etiology
18%
genetic variation
18%
effect
17%
trade-off
15%
pigment
14%
byproduct
13%
lipid
12%
bird
12%
DNA
12%
protein
10%
health
10%
oxygen
9%
nitrogen
8%
Agriculture & Biology
testosterone
66%
parasites
51%
oxidative stress
47%
antioxidant activity
33%
Lagopus lagopus scoticus
23%
oxidation
22%
reactive nitrogen species
19%
antioxidants
19%
etiology
15%
byproducts
13%
reactive oxygen species
12%
pigments
11%
genetic variation
9%
birds
9%
lipids
8%
DNA
7%
proteins
5%
Medicine & Life Sciences
Testosterone
66%
Parasites
62%
Antioxidants
56%
Oxidative Stress
44%
Costs and Cost Analysis
28%
Reactive Nitrogen Species
19%
Birds
16%
Genetic Variation
14%
Reactive Oxygen Species
12%
Lipids
9%
DNA
8%
Health
7%
Proteins
5%
Therapeutics
2%
Chemical Compounds
Testosterone
88%
Oxidative Stress
59%
Antioxidant Agent
57%
Reactive Nitrogen Species
20%
Reactive Oxygen Metabolite
14%
Oxidation Reaction
13%
Metabolic
12%
Lipid
10%
Red
10%
Resistance
9%
Protein
6%