OPB (ORA) means Operations and Policy Branch ORA in FDA
Similar to OPB (ORA)
ADH - antidiuretic hormoneADI - acceptable daily intake
ADME - absorption, distribution, metabolism, and excretion
ADMIA (CBER) - Associate Director for Medical and International Affairs CBER
ADP - automated data processing
ADP (CBER) - Associate Director for Policy CBER
ADR - Adverse Drug Reaction
View all in FDA