1. United States Pharmacopeial Convention. Sterilization and sterility assurance of compendial articles. US Pharmacopoeia.Vol.25. Rockville, MD: United States Pharmacopeial Convention, 2002:2250-2255.
2. European Pharmacopoeial Convention. Sterility. European Pharmacopoeia. 3rd ed. Strasbourg, France:Council of Europe, 2001:63-67.
3. Factors associated with Pseudomonas pickettii intrinsic contamination of commercial respiratory therapy solutions marketed as sterile