In order to develop guidelines, we reviewed retractions in Medline to discover how and why articles were retracted. Methods We retrieved all available Medline retractions from 2005 to 2008 and a ...

To create a search field in a spreadsheet, you must first activate the Developer tools menu. To do this, go to Options > ...

If you hit a hurdle in Microsoft Excel, press F1 to bring up the Help pane, usually to the right of the window.