PT - JOURNAL ARTICLE AU - Anisfeld, Michael H. TI - Letters to the Editor DP - 1981 Mar 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 50--50 VI - 35 IP - 2 4099 - http://journal.pda.org/content/35/2/50.short 4100 - http://journal.pda.org/content/35/2/50.full SO - PDA J Pharm Sci Technol1981 Mar 01; 35