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.
Objective-C Retain Count. Objective-C in retain count mode (not using garbage collection) is a simple idea. When you explicitly allocate an object it gets a retain count of 1 and when you call release or autorelease on an object it's retain count gets decremented and then the object will be collected.