11.  But at a university hospital, residents from the different services control most things, and their coordination is not always good.

12.  But in a competitive market, the different services are provided by different companies, so they can be itemized.

13.  But the advice given by different services can vary considerably, and their overall utility remains to be seen.

14.  But some are still waiting to assess his ability to truly merge a series of different financial service companies into one organization.

15.  Digital compression, whereby as many as eight different services can be delivered through one transponder, is also expected to lessen the shortage.

16.  Each company offers slightly different services and pricing models, so if you are seriously shopping, it pays to look around.

17.  For its part, America Online said it, too, favored open standards permitting communication among users of different services.

18.  For large investors, whose trades have traditionally been harder to execute, specialists offer a different service.

19.  HFS has long looked for a better way to cross-sell customers different services from its collection of travel and real estate businesses.

20.  I spent a rainy Saturday morning exploring different bulletin boards on two different online services, Prodigy and America Online.