The majority of articles published in J Pharmacol Tox Methods describe new approaches, or modifications to those established (Curtis, 2006). However, even established methods have their limitations. It is part of the practice of research to troubleshoot: to identify methodological weaknesses and correct them. This process of troubleshooting is rarely acknowledged in research. The present issue of J Pharmacol Tox Methods draws on the expertise of the editorial board and their network of colleagues around the world to highlight how to troubleshoot the methods they use. We hope that the articles published herein with not only help those in the field to improve their research, but will also stimulate the community to feel more comfortable with the idea that improving established methods - and publishing the results - is a valuable part of the process. Now, and in the future, the journal will give its support and encouragement to the community to submit for publication papers that identify how to troubleshoot the methods they use.
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