Investigators conducting research with this type of equipment must provide written. assurance to the IRB that UCLA Clinical Engineering approval will be obtained prior to use. In some situations, the IRB may request Clinical Engineering review and approval prior to.
Some people estimate 70 million mummies, but I think that's an underestimate. Mummification was carried out in Egypt, as I mentioned, for over 3,000 years. I'm sure more human mummies were made during this time period. If you look at animal mummies, several hundred thousand mummies have been found even in one cemetery. Countless mummies have been destroyed by tomb raiders seeking treasures within their linen wrappings.
The Spirit Cave mummies of Fallon, Nevada in North America were accurately dated at more than 9,400 years old. Before this discovery, the oldest known deliberate mummy is a child, one of the Chinchorro mummies found in the Camarones Valley, Chile, which dates around 5050 BCE.