Barium swallow is a dedicated test of the pharynx, oesophagus, and proximal stomach, and may be performed as a single or double contrast study.arium swallow is a dedicated test of the pharynx, oesophagus, and proximal stomach, and may be performed as a single or double contrast study.
up vote 9 down vote accepted. In Windows Azure Virtual Machine for Windows you can find drive C and D. Drive C is the boot OS disk and the size is actually the size of your VHD you have either uploaded or configured from the Gallery.
Your computer uses a number of drives, each serving a unique purpose. The C: drive, for instance, is typically your hard drive, containing your PC's operating system and any data saved directly to your computer. Remember that opening your E: drive requires that it be active, and in most cases will require a disc, such as a CD or DVD, inserted into your computer's CD/DVD tray. Step.