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medicinal preparations made from living organisms or their products; venoms, enzymes may be indexed with this term; typically antibiotics and chemically pure biochemicals should not be indexed with this term, also narrower terms animal extract, plant extract, immunological substance or tissue/cell preparation should be considered.
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protein, enzyme, metabolite, nucleic acid, microorganism etc that has therapeutic characteristics; originated as a biological product but may be engineered to produce optimal therapeutic value; may include synthetic mimics.
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