| http://www.w3.org/ns/prov#value | - Where necessary, the pharmaceutical can also include a buffering agent (e.g., a phosphate, citrate or amino acid, such as histidine), a solubilizing agent (e.g., nonionic detergents such as a polysorbate, triton, or poloxamer; or an amino acid) and/or a local anesthetic such as lignocaine to ease pain at the site of the injection.
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