scientific article
author: Asbjørn Hróbjartsson, Isabelle Boutron, Candice Poels-Estellat, David Moher, Philippe Ravaud, Lydia Guittet
Copyright status information is not available for this work. The copyright status depends on the jurisdiction, the author's date of death and the date the work was created or published.
To learn more about copyright terms in different countries, visit the countries and terms page.