[Unclear conditions--common mechanisms?]

MeSH terms

• Fatigue Syndrome, Chronic* / classification
• Fatigue Syndrome, Chronic* / diagnosis
• Fatigue Syndrome, Chronic* / physiopathology
• Fibromyalgia* / classification
• Fibromyalgia* / diagnosis
• Fibromyalgia* / physiopathology
• Humans
• Psychophysiologic Disorders / classification
• Psychophysiologic Disorders / diagnosis
• Psychophysiologic Disorders / physiopathology
• Somatoform Disorders / classification
• Somatoform Disorders / diagnosis
• Somatoform Disorders / physiopathology
• Syndrome