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Nomenclature for Biological Products 


Margaret A. Winker

Several categories of drugs are identical to or derived from biological products. Some hormones given as drugs, for example, require special mention because the drug name differs from the name used for the endogenous substance (please note that this is not a comprehensive list of such drugs). Other categories of biologicals are derived from specific guidelines developed by USAN, outlined below. Using the appropriate name can help clarify that the substance referred to is a drug, although for less familiar drug names it may be necessary to include the endogenous hormone name in parentheses to clarify the action of the

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