Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0015-0282(21)00431-3
Male Infertility	free resource	MedlinePlus Health Information	https://medlineplus.gov/maleinfertility.html
Full text from	free resource	Linkoping University Electronic Press	http://liu.diva-portal.org/smash/get/diva2:1600313/FULLTEXT01.pdf