RT Journal Article SR Electronic T1 Simplifying and Improving Process Validation JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 281 OP 284 VO 47 IS 6 A1 Akers, James YR 1993 UL http://journal.pda.org/content/47/6/281.abstract AB