Parkinson J. An Essay on the Shaking Palsy. London : Whittingham and Rowland ; 1817.
Doherty KM, van de Warrenburg BP, Peralta MC, et al. Postural deformities in Parkinson's disease. Lancet Neurol 2011 ; 10 : 538-49.
Djaldetti R, Mosberg-Galili R, Sroka H, et al. Camptocormia (bent spine) in patients with Parkinson's disease-characterization and possible pathogenesis of an unusual phenomenon. Mov Disord 1999 ; 14 : 443-7.
Azher SN, Jankovic J. Camptocormia. Pathogenesis, classivication, and response to therapy. Neurology 2005 ; 65 : 355-9.
Melamed E, Djaldetti R Camptocormia in Parkinson's disease. J Neurol 2006 ; 253 Suppl 7 : 14-6.