1. Infraction of second metatarsal bone. A typical injury;Freiberg;Surg Gynecol Obstet,1914
2. Typical disease of the second metatarsophalangeal joint;Köhler;Am J Radiol,1923
3. Eggshell fracture of the metatarsal head;Skillern;AnnSurg,1915
4. A peculiar characteristic metatarsal disease;Panner;Acta Radiol,1921
5. Current concepts review: Freiberg’s disease;Carmont;Foot Ankle Int,2009