What does PEI stand for?
PEI stands for "post-ejaculatory interval"
How to abbreviate "post-ejaculatory interval"?
"post-ejaculatory interval" can be abbreviated as PEI
What is the meaning of PEI abbreviation?
The meaning of PEI abbreviation is "post-ejaculatory interval"
What does PEI mean?
PEI as abbreviation means "post-ejaculatory interval"
