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4. European Pharmaceutical Marketing Research Association (EphMRA). Doctor Statistics in Canada, France, Germany, Italy, Japan, Spain, UK, USA. London, EphMRA, 2008. Available from: www.ephmra.org/user_uploads/ephmra%20dr%20stats%20report%20final%204%20april%2008(1).pdf
5. European Surveillance of Antimicrobial Consumption (ESAC): outpatient antibiotic use in Europe (1997–2009)