American Academy of Orthopedic Surgeons
American Academy of Podiatric Sports Medicine
American College of Rheumatology
American Orthopaedic Foot and Ankle Society
American Podiatric Medical Association
American Society for Surgery of the Hand
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH Osteoporosis and Related Bone Diseases National Resource Center
+++++
Bones, Joints and Muscles - information from MedlinePLUS