Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0960-8966(14)00699-3
Post Polio syndrome	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/5887
Polio and Post-Polio Syndrome	free resource	MedlinePlus Health Information	https://medlineplus.gov/polioandpostpoliosyndrome.html