PT - JOURNAL ARTICLE AU - Michaels, Stephen L. TI - Validation of Tangential Flow Filtration (TFF) Systems DP - 1991 Sep 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 218--223 VI - 45 IP - 5 4099 - http://journal.pda.org/content/45/5/218.short 4100 - http://journal.pda.org/content/45/5/218.full SO - PDA J Pharm Sci Technol1991 Sep 01; 45