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.
A few states, however, preferred the traditional caucus system to the more open primary election system. While states with primaries have higher levels of participation among registered voters than caucus states do, proponents of the caucus system argue this fulfills the U.S. Contstitution's intent.