RT Journal Article SR Electronic T1 Biologics and Biotechnology Products JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 316 OP 319 VO 52 IS 6 A1 Sandra Patterson YR 1998 UL http://journal.pda.org/content/52/6/316.abstract AB