Causes of Parkinson's disease. Parkinson's disease is caused by a loss of nerve cells in part of the brain called the substantia nigra. This leads to a reduction in a chemical called dopamine in the brain. Dopamine plays a vital role in regulating the movement of the body.
Overnight indexed swap. An overnight indexed swap (OIS) is an interest rate swap where the periodic floating payment is generally based on a return calculated from a daily compound interest investment. The reference for a daily compounded rate is an overnight rate (or overnight index rate) and the exact averaging formula depends on the type of such rate.
Emergency Medical Service Institute (EMSI) is a nonprofit (501.C.3) corporation which provides technical and financial assistance to the development of a coordinated emergency medical services system primarily throughout the 10-county region of southwestern Pennsylvania. Within its region, EMSI is responsible for: