PT - JOURNAL ARTICLE AU - T. H. Meltzer TI - LETTERS TO THE EDITOR DP - 1992 Sep 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 142--143 VI - 46 IP - 5 4099 - http://journal.pda.org/content/46/5/142.short 4100 - http://journal.pda.org/content/46/5/142.full SO - PDA J Pharm Sci Technol1992 Sep 01; 46