to obscure the original entry, shall indicate the reason for such change ..... automated data entries shall be made so as not to obscure the original entry

retained either as original records or as true copies such as photocopies ..... , microfilm, microfiche, or other accurate reproductions of the original records.

changes in the original protocol. (3) Statistical methods employed for

result of original observations and activities of a study and are ..... original source as raw data. “Raw data” may include photographs, microfilm or