What does PPD stand for?
PPD stands for "LPS)-purified protein derivate"
How to abbreviate "LPS)-purified protein derivate"?
"LPS)-purified protein derivate" can be abbreviated as PPD
What is the meaning of PPD abbreviation?
The meaning of PPD abbreviation is "LPS)-purified protein derivate"
What does PPD mean?
PPD as abbreviation means "LPS)-purified protein derivate"