The m in imum number of bacter ia required to produce clinical evidence of death in a susceptible animal under standard condition is called

The m in imum number of bacter ia required to produce clinical evidenc

1.	The m in imum number of bacter ia required to produce clinical evidence of death in a susceptible animal under standard condition is called
A.	LD50
B.	ID
C.	MLD
D.	All of these
Answer» D. All of these