PT - JOURNAL ARTICLE ED - Parenteral Drug Association (PDA) TI - Industry Perspective on the Validation of Column-Based Separation Processes for the Purification of Proteins DP - 1992 May 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 87--97 VI - 46 IP - 3 4099 - http://journal.pda.org/content/46/3/87.short 4100 - http://journal.pda.org/content/46/3/87.full SO - PDA J Pharm Sci Technol1992 May 01; 46