GS means General Schedule in FDA
Similar to GS
ACSM - American College of Sports MedicineACT - AIDS Clinical Trials
ACT - Applied Clinical Trials
ACTB (NCTR) - Analytical Chemical Techniques Branch NCTR
ACTH - AdrenoCorticoTropic Hormone
ACTIS - Aids Clinical Trials Information Service
ACUS - Administrative Conference of the United States
View all in FDA