List of works by Robert Calder

Contingency Management interventions for non-prescribed drug use during treatment for opiate addiction: A systematic review and meta-analysis

scientific article

E-cigarettes: the need for clear communication on relative risks

scientific article published on 31 August 2015

Secondary cannabis use among London drug treatment service clients

Small Retailers' Tobacco Sales and Profit Margins in Two Disadvantaged Areas of England.

scientific article

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