Given the role anti-MAG antibodies are thought to play in thepathogenesis of the neuropathy, treatments havefocused on decreasing circulating IgM by removal(eg, PLEX), inhibition (eg, IVIG) or reduction ofsynthesis (eg, corticosteroids, immunosuppressivedrugs, interferon-a or rituximab).
The Qatari riyal, denoted by QAR, is the official currency of Qatar. Divided into 100 dirhams, the riyal is issued by the Qatar Central Bank.
All the emirates - with the exception of Abu Dhabi, which used the Bahrain Dinar - used the Qatar and Dubai Riyal until 1973, when the United Arab Emirates Dirham was established. In 1978, the Dirham adopted a fixed exchange rate to the International Monetary Fund's special drawing rights.