RT Journal Article SR Electronic T1 Letter to the Editor JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 346 OP 346 DO 10.5731/pdajpst.2011.00795 VO 65 IS 4 A1 Tony Cundell YR 2011 UL http://journal.pda.org/content/65/4/346.abstract AB