PT - JOURNAL ARTICLE AU - Letters TI - Letter To The Editor DP - 1983 May 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 108--108 VI - 37 IP - 3 4099 - http://journal.pda.org/content/37/3/108.short 4100 - http://journal.pda.org/content/37/3/108.full SO - PDA J Pharm Sci Technol1983 May 01; 37