PT - JOURNAL ARTICLE AU - PDA, INC. TI - PDA Comments: ICH Q6A; Draft Guidance on Specifications DP - 1998 Sep 01 TA - PDA Journal of Pharmaceutical Science and Technology PG - 232--233 VI - 52 IP - 5 4099 - http://journal.pda.org/content/52/5/232.short 4100 - http://journal.pda.org/content/52/5/232.full SO - PDA J Pharm Sci Technol1998 Sep 01; 52