PT  - JOURNAL ARTICLE
AU - Letters
TI  - LETTERS TO THE EDITOR
DP  - 1991 Jul 01
TA  - PDA Journal of Pharmaceutical Science and Technology
PG  - 168--169
VI  - 45
IP  - 4
4099  - http://journal.pda.org/content/45/4/168.short
4100  - http://journal.pda.org/content/45/4/168.full
SO  - PDA J Pharm Sci Technol1991 Jul 01; 45