Am. Academy of Orthopaedic Surgeons reports on a study which found a strong association between the disease and secondhand smoke.

Browse a concise outline of the causes, epidemiology and prognosis of this bone disease. From Collaborative Hypertext of Radiology.

Related Musculoskeletal system disease. Includes basic description and statistics.

Fact sheet on disease. Pathogenesis, related articles, clinical description, links to other resources, images, and treatment options.

Article describes the symptoms, treatment, prognosis and possible causes of this pediatric hip disease.

Wheeless' Textbook of Orthopaedics outlines the development and progression of this bone disease.

Fact sheet for teachers describes the symptoms of the hip condition and discusses some accommodations which affected children may need.