TY - JOUR T1 - LETTER TO THE EDITOR JF - PDA Journal of Pharmaceutical Science and Technology JO - PDA J Pharm Sci Technol SP - 2 LP - 3 VL - 46 IS - 1 AU - J. E. Akers AU - J. P. Agalloco Y1 - 1992/01/01 UR - http://journal.pda.org/content/46/1/2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -