It was given an X-rating and was included in a group of "video nasties" - a term used to describe extremely violent and disturbing, low-budget horror films from the US and Italy.

BBC: Jane Levy in a scene from Evil Dead

In this group, the drug slowed cognitive decline five points on a commonly used 70-point rating scale.

FORBES: Magazine Article

Last year a group of state insurance regulators hired PIMCO to replace rating agencies in analysing mortgage-backed securities held by firms they oversee.

ECONOMIST: Pressure mounts on an oligopoly