RT Journal Article SR Electronic T1 Listening To “His Master’s Voice” JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 17 OP 19 VO 36 IS 1 A1 Joseph P., Hile YR 1982 UL http://journal.pda.org/content/36/1/17.abstract AB