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.
Download Apache OpenOffice to Open xlsx files. Appache OpenOffice is a free office suite to handle document, spreadsheet, presentation and other office files. It is compatible with all other office files. It opens .doc, .docx, .xls, .xlsx, .ppt, .pptx and other office file types.