Larsen—Johanson Disease Osteochondritis of the Accessory Ossification Center of the Patella

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Johanson, S. : Eine bisher auscheinend umbekomte erkraumking der patella. Z. orthop. Chir. 43: 82, 1924.

Hawley, G.W. and Griswold, A.S. : Larsen-Johanson disease of the patella . Surg. Gynec. Obst. 47: 68, 1928.

Smith, L.D. : Accessory patella. Wisconsin Med. J. 31: 384, 1932.

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Wolf, J. : Larsen-Johanson disease of the patella. Brit. J. Radiol. 23: 335, 1950.

Pirotta, T. : Larsen-Johanson Disease. Aust. New Zeal. J. Surg. 33: 230, 1964.

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Caffey, J. and Silverman, F.N. : In Holt, L.E. , Mc-Intosh, R. and Barnett, H.L. : Pediatrics, 13th ed. New York , Appleton-Century-Croft, Inc., 1962, p. 768.