Control Source field as value list

Hi!
I have a strored proc which adds up fields separated by semicolon into a new one and I'd like to use it as a combo box's control source field as a Value list. But it's just insert the whole field into one line like value1;value2;value3 .
Is there any way to get these values selectable in the combo box?

Thanks in advance for any help.

VillWhat interface are you using. Access? You should post this in the appropriate forum, as it is not a SQL Server issue.