MedlinePlus: Atorvastatin - Features information about dosage, usage, warnings, and side effects. - http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a600045.html
eMedicine Health: Atorvastatin (Lipitor) - eMedicine Health description of atorvastatin (Lipitor). Provides medication description, prescribing information and resources. - http://www.emedicinehealth.com/articles/53112-1.asp
Lipitor - A public discussion of this lipid lowering agent. - http://www.rxlist.com/rxboard/lipitor.pl
DrugDigest: Atorvastatin ( Lipitor ) - Information on dosage, usage, side effects, interactions, and drug comparisons including generics when available. - http://www.drugdigest.org/DD/DVH/Uses/0,3915,55%7CAtorvastatin,00.html
Atorvastatin - A synthetic lipid-lowering agent. Information from the RxList. - http://www.rxlist.com/cgi/generic/atorvastatin.htm