PT - JOURNAL ARTICLE AU - Murray S. Cooper TI - The USP Monographs on Biological Indicators DP - 1985 Mar 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 80--83 VI - 39 IP - 2 4099 - http://journal.pda.org/content/39/2/80.short 4100 - http://journal.pda.org/content/39/2/80.full SO - PDA J Pharm Sci Technol1985 Mar 01; 39