Drug Information for PIPRACIL (piperacillin for injection) For Intravenous and Intramuscular Use (Wyeth Pharmaceuticals, Inc.): REFERENCES

¹National Committee for Clinical Laboratory Standards. Methods for Dilution Antimicrobial Susceptibility Tests for Bacteria that Grow Aerobically – Fifth Edition. Approved Standard NCCLS Document M7-A5, Vol. 20, No. 2, NCCLS, Wayne, PA, January, 2000.

²National Committee for Clinical Laboratory Standards. Performance Standards for Antimicrobial Susceptibility Testing – Eleventh Informational Supplement. NCCLS Document M100-S11, Vol. 21, No. 1, NCCLS, Wayne, PA, January, 2001.

³National Committee for Clinical Laboratory Standards. Performance Standards for Antimicrobial Disk Susceptibility Tests – Seventh Edition. Approved Standard NCCLS Document M2-A7, Vol. 20, No. 1, NCCLS, Wayne, PA, January, 2000.

⁴National Committee for Clinical Laboratory Standards. Methods for Antimicrobial Susceptibility Testing of Anaerobic Bacteria – Fifth Edition. Approved Standard NCCLS Document M11-A5, Vol. 21, No. 2, NCCLS, Wayne, PA, March, 2001.

Wyeth^®

Wyeth Pharmaceuticals Inc.Philadelphia, PA 19101

W10440C007ET01Rev 03/07