TY - JOUR T1 - Viral Clearance of Traditional Unit Operations: Virus-Retentive Filtration JF - PDA Journal of Pharmaceutical Science and Technology JO - PDA J Pharm Sci Technol SP - 142 LP - 153 DO - 10.5731/pdajpst.2015.01038 VL - 69 IS - 1 AU - Qi Chen AU - Dayue Chen Y1 - 2015/01/01 UR - http://journal.pda.org/content/69/1/142.abstract N2 - ER -