AbstractCinchona officinalis. known locally as cascarilla or cinchona. is a plant species native to South America. It was used as a source of quinine to combat malaria in the 17th century. https://www.diegojavierfares.com/flash-offer-A-D-EJ-123-Newton-Compact-Balance-Scale-120-x-0-001-g-hot-grab/