I&O means Intake and Output in FDA
Similar to I&O
ACS (CDER) - Advisors and Consultants Staff CDERACSM - American College of Sports Medicine
ACT - AIDS Clinical Trials
ACT - Applied Clinical Trials
ACTB (NCTR) - Analytical Chemical Techniques Branch NCTR
ACTH - AdrenoCorticoTropic Hormone
ACTIS - Aids Clinical Trials Information Service
View all in FDA