PT - JOURNAL ARTICLE AU - Akers, James E. TI - Environmental Monitoring and Control: Proposed Standards, Current Practices, and Future Directions DP - 1997 Jan 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 36--47 VI - 51 IP - 1 4099 - http://journal.pda.org/content/51/1/36.short 4100 - http://journal.pda.org/content/51/1/36.full SO - PDA J Pharm Sci Technol1997 Jan 01; 51