Gallstones harvested from cattle are a precious Chinese herbal medicine. They can be found in gallbladders after the bile is filtered without special processing. The gallstones are then ready for sale to buyers simply after being dried to remove all moisture. Gallstones are sold at the retail level either in their natural form without being processed, or as a propriety …
Dale: Biological nitrogen fixation such as that with legumes is done at the expense of...