22 May 1960 â Chile. Magnitude 9.5. The world's most powerful earthquake left 4,485 people dead and injured and 2 million homeless after it struck southern Chile in 1960.
PROVIGIL is a federally controlled substance (C-IV) because it can be abused or lead to dependence. Keep PROVIGIL in a safe place to prevent misuse and abuse. Selling or giving away PROVIGIL may harm others, and is against the law.
exists and is an alternate of . Making the world better, one answer at a time. A vehicle control is what the treatment/substance of interest is administered in. E.g, a hormone of interest is within a PBS solution and this is injected into the test group. Giving just the vehicle is to show that the response seen is due to the treatment being tested and not the solution it is in. A vehicle control is what the treatment/substance of interest is administered in. E.g, a hormone of interest is within a PBS solution and this is injected into the test group.