Watson, R. (2006). WHO calls for registration of all clinical trials. BMJ Publishing Group Ltd.
Chicago Stili AlıntıWatson, Rory. WHO Calls for Registration of All Clinical Trials. BMJ Publishing Group Ltd, 2006.
MLA AlıntıWatson, Rory. WHO Calls for Registration of All Clinical Trials. BMJ Publishing Group Ltd, 2006.
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