Name	Info	Provider	Link
Connective Tissue Disorders	free resource	MedlinePlus Health Information	https://medlineplus.gov/connectivetissuedisorders.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31977850.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31977850/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31977850
Full text from	free resource	Diposit Digital de la Universitat de Barcelona	http://hdl.handle.net/2445/173968
	free resource	Wolters Kluwer	https://doi.org/10.1097/MD.0000000000018589