Watson, R. (2006). WHO calls for registration of all clinical trials. BMJ Publishing Group Ltd.
Citación estilo ChicagoWatson, Rory. WHO Calls for Registration of All Clinical Trials. BMJ Publishing Group Ltd, 2006.
Cita MLAWatson, Rory. WHO Calls for Registration of All Clinical Trials. BMJ Publishing Group Ltd, 2006.
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