What does PPA stand for?
PPA stands for "pneumococcal polysaccharide antigen"
How to abbreviate "pneumococcal polysaccharide antigen"?
"pneumococcal polysaccharide antigen" can be abbreviated as PPA
What is the meaning of PPA abbreviation?
The meaning of PPA abbreviation is "pneumococcal polysaccharide antigen"
What does PPA mean?
PPA as abbreviation means "pneumococcal polysaccharide antigen"
