RT Journal Article SR Electronic T1 PDA Research JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 173 OP 173 VO 51 IS 5 A1 Schwartz, J. B. YR 1997 UL http://journal.pda.org/content/51/5/173.abstract AB