Since its outbreak in December 2019. a series of clinical trials on coronavirus disease 2019 (COVID-19) have been registered or carried out. However. the significant heterogeneity and less critical outcomes of such trials may be leading to a waste of research resources. https://www.spidertattooz.com/OMEGA-Speedmaster-Professional-Moonwatch-Co-Axial-Master-Chronometer-Chronograph-310-32-42-50-01-001-p19098/