Duloxetine
Medicine
Physical therapy
WOMAC
Osteoarthritis
Quality of life (healthcare)
Anxiety
Population
Placebo
Adjunctive treatment
Depression (economics)
Mood
Randomized controlled trial
Chronic pain
Pregabalin
Internal medicine
Anesthesia
Psychiatry
Alternative medicine
Nursing
Environmental health
Pathology
Economics
Macroeconomics