Tertiary Sources Tertiary sources are publications that summarize and digest the information in primary and secondary sources to provide background on a topic, idea, or event. Encyclopedias and biographical dictionaries are prime examples of tertiary sources.
From Wikipedia, the free encyclopedia. A value-added service (VAS) is a popular telecommunications industry term for non-core services, or in short, all services beyond standard voice calls and fax transmissions. However, it can be used in any service industry, for services available at little or no cost, to promote their primary business.
PACS stands for Picture Archiving and Communication System and is the system that has replaced x-ray film with digital images. PACS also links the reports for imaging studies with the imaging study making it easy to view both the images and the associated report at the same time. The name of our PACS is Synapse and there is a Synapse icon on the desktop of all hospital computers.