9.2 Documentation Entries made in the CRF must be either verifiable against source documents, or have been directly entered into the CRF, in which case the entry in the CRF will be considered as the source data. The source data parameter to be verified and the identification of the source document must be documented. The study file and all source data will be retained for 5 years following final publication of study results when source data can be destroyed. No published result will be traceable to particular persons.