TY - JOUR T1 - LETTER TO THE EDITOR JF - PDA Journal of Pharmaceutical Science and Technology JO - PDA J Pharm Sci Technol SP - 100 LP - 100 VL - 47 IS - 3 AU - B. Reeks Y1 - 1993/05/01 UR - http://journal.pda.org/content/47/3/100.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -