Side effects and adverse events related to intraligamentous injection of sclerosing solutions (prolotherapy) for back and neck pain: A survey of practitioners. Arch Phys Med Rehabil. 2006 Jul;87(7):909-13. More Prolotherapy research citations can be found on this page on our site Prolotherapy research.
Pringles history. Pringles were invented and first sold in 1968 in October in USA, but they were not sold across America till mid - 1970s. According to the patent, the inventor of Pringles brand potato chips was reputed Alexander Liepa from Montgomery, Ohio. It is produced by the company Procter & Gamble.
In 1921, Bill and Sallie Utz started the Hanover Home Brand Potato Chips in Hanover, Pennsylvania. Salie Utz used her knowledge of good Pennsylvania Dutch cooking to make the chips in a small summer house behind their home. The hand-operated equipment Salie used made about fifty pounds of potato chips per hour.