SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Insulin production. Workers packing insulin into boxes on the production line of a factory producing human insulin. Insulin is used to treat insulin- dependent diabetes mellitus, a medical condition where the body does not produce enough insulin hormone itself. Manufacture of insulin is strictly controlled to ensure the purity of the finished product. Photographed at the Medsintez plant, Novouralsk, Sverdlovsk Oblast, Russia.
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