W
Glossary
- WHODrug
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A coding service that is used for the unified coding of drugs throughout the pharmaceutical industry. In order to achieve this, the service provides the WHODrug dictionary which is an international classification of medicines created by the WHO Program for International Drug Monitoring. The dictionary is managed by the Uppsala Monitoring Centre and contains drug code numbers, along with related information such as trade names, active ingredients, and additional information, such as marketing authorization, pharmaceutical forms, and strengths of the drugs.
For example, the WHODrug drug code for the substance Ibuprofen is 001092 01 001.
- workflow
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A schema, each step of which represents a stage of a specific entity lifecycle in the system.
A workflow can be considered an instrument to help control various actions on system entities for the sake of accountability, as it limits the actions that can be performed on the entity associated with a workflow. This provides an additional tier of scrutiny, and the approval/rejection mechanism reduces the risk of unintended impact on sensitive resources and important information.

For instance, in eTMF, the workflow dictates the procedure of file and folder management from the moment of upload to the approval stage; in CTMS, the workflow controls the process of creation, completion, and approval of a trip report; in EDC, the workflow covers the process of source document handling.
- Work Instructions (WI)
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Instructions that ensure that each step is performed accurately, with the right materials and tools, and following the proper procedures, all while prioritizing safety and compliance with industry standards.