PT - JOURNAL ARTICLE AU - Davis, Joel S. TI - Retesting and Laboratory Investigations DP - 1994 May 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 107--109 VI - 48 IP - 3 4099 - http://journal.pda.org/content/48/3/107.short 4100 - http://journal.pda.org/content/48/3/107.full SO - PDA J Pharm Sci Technol1994 May 01; 48