Niki, H., Nakajima, H., Hirano, T., Okada, H., & Beppu, M. (2012). Ultrasonographic observation of the healing process in the gap after a Ponseti-type Achilles tenotomy for idiopathic congenital clubfoot at two-year follow-up. Springer Japan.

Niki, Hisateru, Hiroshi Nakajima, Takaaki Hirano, Hirokazu Okada, and Moroe Beppu. Ultrasonographic Observation of the Healing Process in the Gap After a Ponseti-type Achilles Tenotomy for Idiopathic Congenital Clubfoot At Two-year Follow-up. Springer Japan, 2012.

Niki, Hisateru, et al. Ultrasonographic Observation of the Healing Process in the Gap After a Ponseti-type Achilles Tenotomy for Idiopathic Congenital Clubfoot At Two-year Follow-up. Springer Japan, 2012.