Name Info Provider Link
subscription/membership/fee required Ingenta plc https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=13&issue=8&spage=1378&aulast=Segerer
Pregnancy free resource MedlinePlus Health Information https://medlineplus.gov/pregnancy.html
subscription/membership/fee required Bentham Science Publishers Ltd. https://www.eurekaselect.com/98849/article