Checking for retractions & other quality checks on your manuscript before journal submissions some free tools scite, Zotero, Pubpeer, Scholarcy, libkey and more by Aaron Tay Academic librarians and FDA will, by default, require only one clinical trial to demonstrate that a product meets its regulatory requirements for safety and efficacy in most cases, according to two top officials. Former top How does a high profile retraction affect a researcher's career? What is the real impact of a retraction?