Name Info Provider Link
free resource BioMed Central https://rbej.biomedcentral.com/articles/10.1186/1477-7827-10-109
Male Infertility free resource MedlinePlus Health Information https://medlineplus.gov/maleinfertility.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23241221/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/23241221