American Academy of Pain Medicine (AAPM) The practice of pain medicine is multidisciplinary in approach, incorporating modalities from various specialties to ensure the comprehensive evaluation and treatment of the pain patient. AAPM members represent a variety of origins including anesthesiology, internal medicine, neurology, neurosurgery, orthopedic surgery, physiatry, psychiatry, psychology, and neuroscience.
Musculoskeletal Pain – Cleveland Clinic Musculoskeletal pain affects the bones, muscles, ligaments, tendons, and nerves. It can be acute (having a rapid onset with severe symptoms) or chronic (long-lasting). Musculoskeletal pain can be localized in one area, or widespread.
Fibromyalgia Fact Sheet from the Office on Women's Health in the Office of the Assistant Secretary for Health at the U.S. Department of Health and Human Services
Chronic fatigue syndrome from the Office on Women's Health in the Office of the Assistant Secretary for Health at the U.S. Department of Health and Human Services
"Differential diagnosis: myofascial pain", in ;Fibromyalgia Syndrome: A Practitioner's Guide to Treatment, by Jan Dommerholt, PT, MPS and Tamer S. Issa, PT, DPT (.pdf)