Prospective Clinical Trial Registration Hywel C. Williams, Robert S. Stern  Journal of Investigative Dermatology  Volume 124, Issue 5, Pages viii-x (May 2005) DOI: 10.1111/j.0022-202X.2005.23665.x Copyright © 2005 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 1 An illustration of publication bias. Selective publication of “positive” studies of five selective serotonin reuptake inhibitors submitted to the Swedish drug regulatory authority as a basis for marketing approval for treating major depression (Reproduced with the kind permission of the BMJ Publishing Group fromMelander et al, 2003). Journal of Investigative Dermatology 2005 124, viii-xDOI: (10.1111/j.0022-202X.2005.23665.x) Copyright © 2005 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 2 Traits of a suitable clinical trial registry. Journal of Investigative Dermatology 2005 124, viii-xDOI: (10.1111/j.0022-202X.2005.23665.x) Copyright © 2005 The Society for Investigative Dermatology, Inc Terms and Conditions