1. Strom BL (2002) Pharmacoepidemiology. Wiley, Chichester, New York
2. Health Service Executive (HSE) Medical cards and GP visit cards. In: HSEie—med cards GP visit cards. http://www.hse.ie/eng/services/list/1/schemes/mc/ . Accessed 8 July 2015
3. Health Service Executive (2013) Primary care reimbursement service—statistical analysis of claims and payments 2011. http://www.hse.ie/eng/staff/PCRS/PCRS_Publications/pcrsclaimsandpayments2011.pdf Accessed 8 July 2015
4. Ireland, Central Statistics Office (2012) This is Ireland: highlights from census 2011, part 1. http://www.cso.ie/en/census/census2011reports/census2011thisisirelandpart1/ . Accessed 8 July 2015
5. Williams D, Feely J (2001) Pharmacoepidemiology—an Irish perspective. Pharmacoepidemiol Drug Saf 10:641–645. doi: 10.1002/pds.640