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.
Actually, drive C is not the only volume that cannot be deleted in Disk Management, and boot volume, the volume saving page file, crash dump files, or hibernation files, the protected EFI system partition, recovery partitions, OEM partition, and the partition on removable device cannot be deleted in Windows Disk Management, too.