What does PPD stand for?
PPD stands for "Purified Protein Derivate"
How to abbreviate "Purified Protein Derivate"?
"Purified Protein Derivate" can be abbreviated as PPD
What is the meaning of PPD abbreviation?
The meaning of PPD abbreviation is "Purified Protein Derivate"
What does PPD mean?
PPD as abbreviation means "Purified Protein Derivate"
