breastcancer.org: Tamoxifen: Offers information about tamoxifen as a treatment for reducing the risk of breast cancer recurrence. Includes recommended dosing, side effects, and recent research.
DrugDigest: Nolvadex (Tamoxifen): Information on dosage, usage, side effects, interactions, and drug comparisons for tamoxifen, sometimes used as a treatment for breast cancer..
Tamoxifen: Information from the RxList.