1. Graphic analysis of femoral growth in young children with Perthes disease;Allen;J Pediatr Orthop,1997
2. Osteochondritis deformans juvenilis (Perthes disease);Allison;Am J Orthop Surg,1915
3. The sagging rope sign in Perthes disease and allied disorders;Apley;J Bone Joint Surg,1981
4. Intercalcancean pressure in various forms of dysfunction of the venous pump of the calf;Arnoldi;Acta Chir Scand,1971
5. Subtrochzanteric osteotomy in the treatment of Perthes' disease: A preliminary report;Axer;J Bone Joint Surg,1965