An eGFR blood test is used whenever there is suspicion of a kidney disease. This is usually the case in patients who are suffering from diabetes or from hypertension for a prolonged period of time.
In the case that your APP file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit APP file extensions. If your PC opens the APP file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating APP file extensions with the wrong software program.
Software that will open or convert EXE files. Unfortunately we have not received enough suggestions for software that can open EXE files yet. However, I would suggest that you try a free universal file viewer like Free File Viewer. It can open more than 200 different types of files-and very likely yours too!