41.   It did not identify a source.

42.   It must identify potential sources of contaminants and provide health advisories for people with medical conditions, such as HIV, that make them vulnerable.

43.   Its measurement technology, for example, can identify the source of programs and commercials without opening up the TV set in sample homes.

44.   Keim cautioned that when it comes to identifying the source of the Florida strain or the culprits who used it, genetic analysis will have limits.

45.   Lambert would not identify the source of his information, but said it came through unofficial channels.

46.   McNulty would not identify the source or indicate whether the person worked for the Justice Department.

47.   Most notably, U.S. intelligence officials began an aggressive effort to recruit Russian intelligence officers who could identify the source of the leak of U.S. secrets.

48.   Most frustrating to police and firemen was their inability to identify the source of the gagging contamination.

49.   Neither The Times nor the Journal-Constitution has identified the source of the tape recording, although The Times has reported that it was a Democratic congressman.

50.   Officials did not identify the source of the tip.