Drug Tariff:
http://www.drugtariff.com

Prescribed Medicines:
http://www.medicines.org.uk

Medicines Formulary:
http://www.bnf.org

NHS Direct:
http://www.nhsdirect.nhs.uk

British Association of Generic Manufacturers:
www.britishgenerics.co.uk/bgma.htm

British Medical Association:
www.bma.org.uk/ap.nsf/content/splashpage

Department of Health:
http://www.dh.gov.uk

European Generic Medicines Association:
http://www.egagenerics.com

European Agency for the Evaluation of Medicinal Products:
http://www.emea.eu.int

Medicines & Healthcare Products Regulatory Agency:
http://www.mhra.gov.uk

National Institute of Clinical Excellence:
http://www.nice.org.uk

Prescription Pricing Authority:
http://www.ppa.org.uk

World Health Organisation:
http://www.who.int