Heinemeier G, Torklus D
Z Orthop Ihre Grenzgeb. 1979 Oct;117(5):849-51.
Friedrich's disease is an avascular necrosis of the sternal end of the clavicle which runs a typical course with different stages. Surgical treatment is advised with resection-arthroplasty of the lower pole of the sternal clavicle end. Functional results are satisfactory.