3Pulavarit R S, McVie J L, Tulloch C J. First metatarso phalangeal joint replacement using the bio action great toe implant: intermediate results [J]. Foot Ankle Int, 2005,26(12) : 1033-1037.
4Esway J E, Conti S F. Joint replacement in the hallux metatarsophalangeal joint[J].Foot Ankle Clin, 2005,10 (1) :97-115.