RT Journal Article SR Electronic T1 LETTERS TO THE EDITOR JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 176 OP 176 VO 42 IS 6 A1 Akers, James YR 1988 UL http://journal.pda.org/content/42/6/176.abstract AB