Name Info Provider Link
Male Infertility free resource MedlinePlus Health Information https://medlineplus.gov/maleinfertility.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31339113.ui
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31339113/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/31339113
free resource Wolters Kluwer https://doi.org/10.4103/aja.aja_75_19