
Keywords: CRHD/S, Congenital radial head dislocation/subluxation; AER, Apical ectodermal ridge; OI, Osteogenesis imperfecta; BMP 1, Bone morphogenetic protein type 1; FGFR, Fibroblast growth factor receptors; WNT, Wingless Tumor Virus; PTHrP, Parathormone Related P