Regence Blue Shield | Information on pricing and alternative medications
regencerx.com/learn/rxPriceGuide/index.html
Costco Pharmacy | Information on pricing, indications, recommendations, and side-effects
costco.com/Pharmacy/drug-directory-main
Target | $4 Generic Formulary
target.com/pharmacy/generics-alphabetic
Walmart | $4 Generic Formulary
i.walmartimages.com/i/if/hmp/fusion/customer_list.pdf