Name Info Provider Link
Breast Cancer free resource MedlinePlus Health Information https://medlineplus.gov/breastcancer.html
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=17876702.ui
subscription/membership/fee required Springer https://doi.org/10.1007/s10549-007-9743-0