Enter 24328 into the fax machine and activate the green button. Now you can use one of the following codes during the game:
Add $10,000 to total: Shift + C
All items: Shift + Ctrl + C
All research completed: Ctrl + C
Earthquake: Shift + Q
Emergency: Ctrl + E
Create patient at pointer: Shift + 1
Create patient off screen: 1
Create specialist doctor: Shift + S
Change patient's appearance: Shift + L
Jump to end of month: Ctrl + M
Jump to end of year: Ctrl + Y
More money: Shift + C
Lose the game: F11
Win the current level: F12