RT Journal Article SR Electronic T1 Preparation and Use of Endotoxin Indicators for Depyrogenation Process Studies JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 109 OP 112 VO 43 IS 3 YR 1989 UL http://journal.pda.org/content/43/3/109.abstract AB