Name Info Provider Link
Free full text from BORIS free resource Bern Open Repository and Information System https://boris.unibe.ch/id/eprint/181735
Infertility free resource MedlinePlus Health Information https://medlineplus.gov/infertility.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=37057367.ui
subscription/membership/fee required Wiley https://doi.org/10.1002/pbc.30359