RT Journal Article SR Electronic T1 The Pressure Hold/Drop Integrity Test; Its Correlation To Diffusive Flow JF PDA Journal of Pharmaceutical Science and Technology JO PDA J Pharm Sci Technol FD Parenteral Drug Association (PDA) SP 182 OP 185 VO 52 IS 4 A1 A. Mark Trotter A1 Theodore H. Meltzer YR 1998 UL http://journal.pda.org/content/52/4/182.abstract AB