Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0301-2115(04)00538-X
Cesarean Delivery free resource MedlinePlus Health Information https://medlineplus.gov/cesareandelivery.html
Childbirth Problems free resource MedlinePlus Consumer Health Information https://medlineplus.gov/childbirthproblems.html