ALZA 
    www.alza.com

AstraZeneca US
    www.astrazeneca-us.com

Bristol-Myers Squibb Company
    www.bms.com
    Formerly Dupont Pharmaceuticals Co.

Cardinal Health (formerly Syncor)
    http://nps.cardinal.com/nps/index.asp

GlaxoSmithKline
    www.gsk.com

druginfonet.com
    www.druginfonet.com
    The internet source for healthcare information

Mallinckrodt Pharmaceuticals
    www.mallinckrodt.com

Medline/PubMed
    www.ncbi.nlm.nih.gov
    A search tool

Mead Johnson Nutritionals
    A Bristol-Myers Squibb Company
    www.meadjohnson.com

Pharmacyclics
    www.pharmacyclics.com

RxList/Internet Drug Index
    www.rxlist.com

SuperGen
    www.supergen.com

U.S. National Library of Medicine
    www.nlm.nih.gov