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