Keyphrases
Glyceryl Trinitrate
100%
Headache
100%
Possible Mechanisms
100%
Chronic Tension-type Headache
100%
Muscle Hardness
37%
Placebo
25%
Pain Pathways
25%
Myofascial
25%
Heat Pain Threshold
25%
Tenderness
25%
Myofascial Pain
25%
Pathophysiology
12%
Healthy Controls
12%
Primary Headache
12%
Randomized Double-blind Crossover Study
12%
Intravenous Infusion
12%
Central Sensitization
12%
Peripheral Sensitization
12%
Nitric Oxide
12%
Nitric Oxide Donors
12%
Pain Threshold
12%
Nitric Oxide Synthase Inhibitors
12%
Mechanical Pain Threshold
12%
Biphasic Response
12%
Medicine and Dentistry
Headache
100%
Chronic Tension Headache
100%
Glyceryl Trinitrate
100%
Placebo
25%
Infusion
25%
Pain Pathway
25%
Sensitization
25%
Heat Pain Threshold
25%
Myofascial Pain
25%
Pathophysiology
12%
Nitric Oxide Donor
12%
Nitric Oxide
12%
Intravenous Drug Administration
12%
Primary Headache
12%
Pressure Pain Threshold
12%
Nitric Oxide Synthase Inhibitor
12%
Nursing and Health Professions
Headache
100%
Chronic Tension Headache
100%
Glyceryl Trinitrate
100%
Placebo
25%
Infusion
25%
Heat Pain Threshold
25%
Myofascial Pain
25%
Pathophysiology
12%
Nitric Oxide Donor
12%
Nitric Oxide
12%
Intravenous Drug Administration
12%
Primary Headache
12%
Pressure Pain Threshold
12%
Nitric Oxide Synthase Inhibitor
12%
Neuroscience
Headache
100%
Placebo
14%
Nitric Oxide
14%
Pain Pathway
14%
Pain Threshold
14%
Crossover Study
7%
Nitric Oxide Synthase
7%