Hargreaves, S. (2007). Ghost authorship of industry funded drug trials is common, say researchers. BMJ Publishing Group Ltd.
Dyfyniad Arddull ChicagoHargreaves, Sally. Ghost Authorship of Industry Funded Drug Trials Is Common, Say Researchers. BMJ Publishing Group Ltd, 2007.
Dyfyniad MLAHargreaves, Sally. Ghost Authorship of Industry Funded Drug Trials Is Common, Say Researchers. BMJ Publishing Group Ltd, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.