Name	Info	Provider	Link
Klinefelter Syndrome	free resource	MedlinePlus Health Information	https://medlineplus.gov/klinefeltersyndrome.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34751018/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34751018
	free resource	GN1 Sistemas e Publicacoes, LTDA	https://doi.org/10.5935/1518-0557.20210081