| Avascular Necrosis: Offers a personal story since contracting this disease. Including information and a diary. |
| Dr Yoon's Osteonecrosis Clinic: Describes information about osteonecrosis (avascular necrosis aseptic necrosis AVN ON) of femoral head which is a disabling disease developed in the hip joint. |
| Kienbock's Disease - Australia: A support and information group in Australia interacting by message or chat room for people with avascular necrosis of the lunate. |
| Legg Perthes Support Group International: Part of the National Osteonecrosis Foundation, offering encouragement, medical information, online discussions and a message board. |
| Osteonecrosis Listserver: Internet forum for osteonecrosis (also called avascular necrosis) offering information and support. |
Classical
