PT - JOURNAL ARTICLE AU - Kawamura, K. TI - LETTER TO THE EDITOR DP - 1994 Sep 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 220--220 VI - 48 IP - 5 4099 - http://journal.pda.org/content/48/5/220.short 4100 - http://journal.pda.org/content/48/5/220.full SO - PDA J Pharm Sci Technol1994 Sep 01; 48