TY - JOUR T1 - Letter to the Editor JF - PDA Journal of Pharmaceutical Science and Technology JO - PDA J Pharm Sci Technol SP - 201 LP - 201 VL - 37 IS - 5 AU - Jack Cole AU - Glenn Howard Y1 - 1983/09/01 UR - http://journal.pda.org/content/37/5/201.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -