Normal values range from 0.4 - 4.0 milli-international units per liter (mIU/L). Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different samples. Talk to your doctor about the meaning of your specific test results.
The primary system also allows for absentee or early voting, while caucuses do not. The term covers a few different kinds of elections, though they all have ballots. While caucuses tend to be split between open and closed, there are several different kinds of primaries.
In U.S. primary elections, registered members of a political party select their party's nominees to run in the general election each November. Some states hold open primaries in which all registered voters may participate, but others have closed primaries, in which only registered party members may participate.airVote.org reported in 2008 that six states --- Alaska, Iowa, Kansas, Maine, Nevada and Wyoming --- operate closed caucuses instead of primary elections. A caucus is a meeting in which party members select nominees for elected office.