the initial half-life of choline in plasma , estimated from the rate of disappearance of choline after intravenous administration of either a tracer dose of choline [ methyl- 3-h ] ( 0.031 mumol/kg ) or a high dose of choline chloride ( 200 mumol/kg ) , was less than 1 minute .
C0008405
choline
C0008409
choline