In the episode Dr Bashir I presume when Dr. Zimmerman and Sisko are conversing the following happens...
ZIMMERMAN: You're familiar, of course, with the Emergency Medical Holographic Programme?
SISKO: I've heard of it. It's a hologram designed to provide assistance during emergencies in Sickbay.
How could Sisko not know of the EMH Program was it was at least 2 years old by the time of that episode. And had to have been on numerous Starships and Space Stations
ZIMMERMAN: You're familiar, of course, with the Emergency Medical Holographic Programme?
SISKO: I've heard of it. It's a hologram designed to provide assistance during emergencies in Sickbay.
How could Sisko not know of the EMH Program was it was at least 2 years old by the time of that episode. And had to have been on numerous Starships and Space Stations