11.   Bayer received a similar warning letter in June for a presentation it made in at a meeting of the American Urological Association.

12.   Based on a written statement from Fort Worth undercover vice officers who visited the club Thursday, the city initially sent Schlueter another warning letter Friday.

13.   Because of dissatisfaction with the warning letter, the City Council voted to suspend the brush-clearance inspection fee.

14.   Before the warning letter was sent, the company responded to problems found during an FDA inspection and has since met with the local district office.

15.   A lengthy stay in the bathroom usually brings a warning letter.

16.   A Medtronic Inc. facility in California failed to keep accurate records of customer complaints about its devices, according to a Food and Drug Administration warning letter.

17.   A RoTech Medical Corp. oxygen production and processing facility was cited in a U.S. Food and Drug Administration warning letter for failing to meet good manufacturing standards.

18.   A warning letter from the FDA can set off alarm bells on Wall Street.

19.   A warning letter generally means the agency is poised to take action if the problem is not quickly corrected.

20.   Abbott had been sent warning letters about manufacturing for six years that the FDA acknowledged were largely ignored.