Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0889-857X(13)00019-7
Ankylosing Spondylitis	free resource	MedlinePlus Health Information	https://medlineplus.gov/ankylosingspondylitis.html
	subscription/membership/fee required	W.B. Saunders	http://journals.elsevierhealth.com/retrieve/pii/S0889-857X(13)00019-7
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0889-857X(13)00019-7
	free resource	scite Smart Citations	https://scite.ai/reports/23719083