Chief medical officer's personal log, USS Enterprise (NCC-1701)
At least two log entries was made in the chief medical officer's personal log of the . They were recorded by Doctor Joseph M'Benga.

Entries

Routine survey of the Jonisian Nebula 
 "Chief medical officer's personal log, stardate 2341.6. The Enterprise is conducting a routine survey of the Jonisian Nebula. There isn't a great deal for sickbay to do, so I've been continuing my own research. The patient's condition has not improved. Months have become days and have become hours. Every minute has become invaluable. She has so little time left."

 "Chief medical officer's personal log, supplemental. None of the crew remember what happened. The  doing, my daughter's doing, I'm sure. The surveillance logs are blank. It's as if every one of them lost five hours. Except for me." ()

Personal logs
Medical logs