1. Halstead LS. Assessment and differential diagnosis for post-polio syndrome. Orthopedics. 1991;14(11):1209–17.
2. Farbu E, Gilhus NE, Barnes MP, Borg K, de Visser M, Driessen A, et al. EFNS guideline on diagnosis and management of post-polio syndrome. Report of an EFNS task force. Eur J Neurol. 2006;13(8):795–801.
3. Tracking progress towards global polio eradication, 2010–2011. Weekly epidemiological record: Relevé épidémiologique hebdomadaire. Geneva: World Health Organization. 2012 April;87:153–160. Available from: http://www.who.int/wer/2012/wer8716.pdf
4. Becker LC. Polio survivors in the US 1915–2000 age distribution data [Internet]. Post-polio health international [cited 2016 Oct 1]. Available from: http://www.post-polio.org/PoliosurvivorsintheUS1915-2000.pdf
5. Nair KS. Muscle protein turnover: methodological issues and the effect of aging. J Gerontol A Biol Sci Med Sci. 1995;50 Spec No:107–12.