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Back in the middle of the 19th century, a fatal case was described, which will later be called "pernicious anemia" or "malignant anemia." The cause of this disease was a sharp deficiency of vitamin B, which is often called the "red vitamin". The origin and discovery of cobalt-containing substances (vitamin B 12) - why the body needs them Biomedical research with vitamin B 12 has been conducted by American scientists since 1926. Read More
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