What does PPI stand for?
PPI stands for "prior poliomyelitis infection"
How to abbreviate "prior poliomyelitis infection"?
"prior poliomyelitis infection" can be abbreviated as PPI
What is the meaning of PPI abbreviation?
The meaning of PPI abbreviation is "prior poliomyelitis infection"
What does PPI mean?
PPI as abbreviation means "prior poliomyelitis infection"
