11.   As a result, the department has expanded its investigation into where the ground beef came from.

12.   As she remembers it, the dish called for ground beef, sour cream and biscuits.

13.   At Betty Crocker, for instance, when Americans began shifting from ground beef to chicken as a standard weeknight meat, the idea of Chicken Helper was hatched.

14.   At Safeway, ground beef gets a day and a half.

15.   Bacteria can be ground into the interior of ground beef during the grinding process.

16.   BeefAmerica sells ground beef to distributors who sell it to supermarkets, school districts and food vendors nationwide.

17.   Because the first outbreaks seemed to be associated with ground beef, scientists looked into cattle and other farm animals.

18.   Billy said the neck and back bones used in ground beef would be banned only as a last resort.

19.   Boston Chicken Inc. removed ground beef from hundreds of its Boston Market restaurants across the United States on Thursday.

20.   A second, more successful provision called for stretching gasoline supplies by adding filler chemicals to ordinary gasoline, like Hamburger Helper to ground beef.