Difference between B-format and C-format
B-formats contain information about trade names, ingredients and ATC classification(s). The unique key is the alphanumeric Drug Code.
C-formats contain all the B-format information (including the Drug Code), but has additional information regarding the countries where the product is marketed, Marketing Authorization Holders, pharmaceutical forms and strengths. The unique key is the alphanumeric Medicinal Product ID.
WHO B3 coding in Oracle Argus Safety
![Drug Coding dialog Drug Coding dialog](img/image008.png)
WHO C3 coding in Oracle Argus Safety
![Drug Coding dialog Drug Coding dialog](img/image009.png)