RT Journal Article SR Electronic T1 Biological Indicators for Ethylene Oxide Sterilization: Performance Evaluation JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 13 OP 14 VO 37 IS 1 A1 Gordon S. Oxborrow A1 Kevin D. Kallander A1 Christopher R. Mendenhall YR 1983 UL http://journal.pda.org/content/37/1/13.abstract AB Biological indicators (Bls) from 12 manufacturers were tested by the USP XIX window method and the USP XX D-value method. More samples were found to be acceptable by the USP XX method, and the number failing either test was similar to that of previous years. Little progress was indicated in increasing the reliability of Bls used in manufacturing processes.