GERD is often diagnosed simply by finding no improvement in heartburn symptoms in response to lifestyle changes and acid reflux medication. Gastroenterologists may also arrange the following investigations:
Trading blocs. A regional trading bloc is a group of countries within a geographical region that protect themselves from imports from non-members. Trading blocs are a form of economic integration, and increasingly shape the pattern of world trade. There are several types of trading bloc:
LAN. noun. A system that links together electronic office equipment, such as computers and printers, and forms a network within an office, building, or group of buildings. l(ocal) a(rea) n(etwork) .