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 48 OP 49 VO 44 IS 2 A1 S. Aquino A1 N. Quach A1 C. Richardson A1 C. McDonald YR 1990 UL http://journal.pda.org/content/44/2/48.abstract AB