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Carl Zeiss (German:), branded as ZEISS, is a German manufacturer of optical systems, and industrial measurement and medical devices, founded in Jena, Germany in by optician Carl Zeiss. Together with Ernst Abbe (joined ) and Otto Schott (joined ) they .

All are manual-focus designs with Nikon AI-S type aperture indexing. This proved to be a most valuable and flexible design, with tremendous development potential. By he was making microscopes full-time.


Annual Report Who we are The World Trade Organization deals with the global rules of trade between nations. Its main function is to ensure that trade flows as smoothly, predictably and freely as possible. Using this report The Annual Report is split into two main sections. The first is a brief summary of the organization and a review of The second.

A few quality studies have been carried out over the years, starting in 1998 with a double-blind, placebo-controlled trial of 135 adults over 12 weeks published in The Journal of the American Medical Association. They found no evidence that hydroxycitric acid, the active ingredient in weight loss products made from garcinia cambogia, produced significant weight loss.

The American Journal of Clinical Nutrition in 2004 published a systematic review of meta-analyses and clinical trials on dietary supplements for weight loss by complementary medicine researchers at the Universities of Exeter and Plymouth.