American Cancer Society Cancer Action Network (ACS CAN) - dedicated to eliminating cancer as a major public health problem through voter education and issue campaigns to convince candidates and lawmakers to support laws and policies that will help people fight cancer.
Drugs.com: Bextra - offers a basic overview of the drug, including how it should be taken, potential side effects, and drug interactions.
RxList: Valdecoxib - contains clinical notes, precautions, and patient information for the nonsteroidal, anti-inflammatory drug (NSAID) sold as Bextra.