Hilton, Malcolm P.; Pinder, Darren K. (2004). „The Epley (Canalith repositioning) manoeuvre for benign paroxysmal positional vertigo”. Ур.: Hilton, Malcolm P. Cochrane Database of Systematic Reviews. стр. CD003162. PMID15106194. doi:10.1002/14651858.CD003162.pub2.
Hilton, Malcolm P.; Pinder, Darren K. (2004). „The Epley (Canalith repositioning) manoeuvre for benign paroxysmal positional vertigo”. Ур.: Hilton, Malcolm P. Cochrane Database of Systematic Reviews. стр. CD003162. PMID15106194. doi:10.1002/14651858.CD003162.pub2.