directional median value filtering
TC 50 median toxic concentration
Median lethal dose 50 (LD_ 50)
Median lethal dose (LD 50)
half lethal concentration
half lethal concentration in 96 hours
lethal concentration 50
lethal concentration 50%
lethal dose concentration
medium lethal concentration
medium lethal concentration LC50
Minimal lethal concentration
minimum lethal concentration
Semi-lethal concentration LC50
acute toxicity test LC50
the embryo median lethal dose