Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/0002-9378(95)91398-X
Cesarean Delivery free resource MedlinePlus Health Information https://medlineplus.gov/cesareandelivery.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=7778619.ui