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Journal of Public Health Policy 36, 134-149 (May 2015) | doi:10.1057/jphp.2015.1
An annual pre-announced step-increase in tobacco excise in New Zealand
Judy Li, Darren Walton and Rhiannon Newcombe
http://www.palgrave-journals.com/jphp/journal/v36/n2/pdf/jphp20151a.pdf