1Meesters DM,Neubert S,et al. Deficiency of inducible and endothelial nitric oxide synthase results in dimin-ished bone formation and delayed union and nonunion Development. [J]. Bone,2015 (83) : 111-118.
2Romano CL,Romano D,Logoluso N. Low-intensity pulsed ultrasound for the treatment of bone delayed union or nonunion : a review[J]. Ultrasound Med Biol, 2009,35 (4) : 529-536.