Immunoglobulin A Deficiency | Johns Hopkins Medicine
Immunoglobulin A (IgA) is an antibody blood protein that's part of your immune system. Your body makes IgA and other type of antibodies to help fight off sickness. Having an IgA deficiency means that you have low levels of or no IgA in your blood. IgA is found in mucous membranes, mainly in the respiratory and digestive tracts.
Mongolian National Mining Association/Монголын
The Mongolian National Mining Association was established in 1994 so as to best safeguard the lawful interests and legitimate benefits of its members by seeking to reflect their voices and concerns in the state policies, provide the members and the general public with the most up-to-date and comprehensive information and knowledge on the minerals industry, …