“Antibodies, clotting factors, and other constituent parts can be separated out and used in concentrated form to treat autoimmune diseases or hemophilia—and that is a huge business. In the United States, plasma sales make up 1.6 percent of all goods exported, more than America earns from the sale of airplanes. Bryson, Bill. The Body (p. 125). Knopf Doubleday Publishing Group. Kindle Edition. ”
