Name Info Provider Link
Ectopic Pregnancy free resource MedlinePlus Health Information https://medlineplus.gov/ectopicpregnancy.html
Ectopic Pregnancy free resource MedlinePlus Consumer Health Information https://medlineplus.gov/ectopicpregnancy.html
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/humrep/article-lookup/doi/10.1093/humrep/11.2.420