case of trial of first instance
first page of illness case
first-ever locally contracted case
maxillary first molar extraction case
case history method; case method; case study method
alternate width-first and depth-first
FCFS First Come First Served
FEFO First – End First – Out
FEFO First C End First C Out
FIFO (first in and first out) memory
FIFO (first in first out)
FINFO First In Not used First Out