PT - JOURNAL ARTICLE AU - Letters TI - LETTERS TO THE EDITOR DP - 1995 Mar 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 56--58 VI - 49 IP - 2 4099 - http://journal.pda.org/content/49/2/56.short 4100 - http://journal.pda.org/content/49/2/56.full SO - PDA J Pharm Sci Technol1995 Mar 01; 49