Why are you still using excel for data extraction? Spreadsheet programs are NOT suited for document review tasks. Fortunately, where spreadsheets are insufficient, Sysrev excels.
Pharmacovigilance -- "Living Reviews" Applied As Dr. Jon Brock discussed last month in Nature, there is a fundamental obstacle when conducting any document review, especially systematic reviews: new information. Â The purpose of every review, regardless of its protocols, is to identify relevant information, organize and/or extract the data, and (hopefully) find a meaningful conclusion.