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