Bayer has filed for approval in the US for elinzanetant as a non-hormonal treatment for menopausal symptoms such as hot flushes, with a rival therapy from Astellas in its sights. The FDA submission is ...

You might want to open two files in two separate windows to compare them. Also, if you want to edit two files simultaneously, you need to open them separately. That is why you can change Notepad ...