Name	Info	Provider	Link
Amyotrophic Lateral Sclerosis	free resource	MedlinePlus Health Information	https://medlineplus.gov/amyotrophiclateralsclerosis.html
	subscription/membership/fee required	Taylor & Francis	https://www.tandfonline.com/doi/full/10.1179/016164102101200357
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:12117316