APA-viite

Hargreaves, S. (2007). Ghost authorship of industry funded drug trials is common, say researchers. BMJ Publishing Group Ltd.

Chicago-tyylinen lähdeviittaus

Hargreaves, Sally. Ghost Authorship of Industry Funded Drug Trials Is Common, Say Researchers. BMJ Publishing Group Ltd, 2007.

MLA-viite

Hargreaves, Sally. Ghost Authorship of Industry Funded Drug Trials Is Common, Say Researchers. BMJ Publishing Group Ltd, 2007.

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