Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://dx.doi.org/10.2169/internalmedicine.8436-21
Scleroderma	free resource	MedlinePlus Health Information	https://medlineplus.gov/scleroderma.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34803102/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34803102