Primary cold agglutinin disease is usually associated with monoclonal cold-reacting autoantibodies. Primary cold agglutinin disease is chronic and occurs after the fifth decade of life, with a peak incidence in the seventh and eighth decades. (See Epidemiology.) Secondary cold agglutinin disease may be associated with either monoclonal or polyclonal cold-reacting autoantibodies.
Microsoft was founded by Paul Allen and Bill Gates on April 4, 1975, to develop and sell BASIC interpreters for Altair 8800. It rose to dominate the personal computer operating system market with MS-DOS in the mid-1980s, followed by Microsoft Windows.
Microsoft Office. Microsoft Office or Microsoft Office System is a collection of computer programs made by Microsoft. The programs are created for all users. There are different versions of the software for home users and for business users. Some versions may offer more programs, and some versions cost less than others, but none are for free.