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© 2023 MJH Life Sciences and BioPharm International. All rights reserved.
© 2023 MJH Life Sciences™ and BioPharm International. All rights reserved.
USP's official standards publication, USP 25-NF 20, became official on 1 January 2002. It will now be followed by two Supplements -- one in February and one in June -- becoming official in April and August 2002.