Osteopetrosis Support Trust Providing information and advice for families with children with the bone and blood disease, osteopetrosis. There are detailed disease descriptions and contact details.
Pediatric Rheumatology A resource for families and health professionals caring for children with arthritis, lupus, scleroderma, kawasaki disease, SLE, and other rheumatic diseases.
Perthes Association Information and support for parents of children with Perthes disease and related conditions, including all forms of osteochondritis and M.E.D. (Multiple Epiphyseal Dysplasia).
