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.
The United Arab Emirates dirham was introduced 19 May 1973. It replaced the Qatar and Dubai riyal at par. The Qatar and Dubai riyal had circulated since 1966 in all of the emirates except Abu Dhabi, where the dirham replaced the Bahraini dinar at 1 dirham = 0.1 dinar.urrency Board introduced notes in denominations of 1, 5, 10, 50, and 100 dirham; a 1000 dirham note was issued on 3 January 1976. A second series of note was introduced in 1982 which omitted the 1 and 1000 dirham notes.