21.   The rivalry between the public consortium and Celera has been complicated because Celera was established by the PE Corp., maker of the leading brand of DNA sequencing machines.

22.   The takeover is the third this year of leading brands.

23.   The two leading brands are Texas Instruments and Hewlett Packard.

24.   They have none of the chemical additives or artificial colors used in the leading brands and far less sodium.

25.   TiVo and ReplayTV are the leading brands of digital video recorders.

26.   Travel Guard, a leading brand in the field, handles its own claims.

27.   Whatever the motivation, the competition to establish leading brands is intensifying.

28.   A leading PC brand, Compaq has long been a market leader with its Compaq Presario series.

29.   All are leading brands in Europe.

30.   Bertolli is a leading brand of imported olive oil in the United States.