What does PER stand for?
PER stands for "proboscis extension reflex"
How to abbreviate "proboscis extension reflex"?
"proboscis extension reflex" can be abbreviated as PER
What is the meaning of PER abbreviation?
The meaning of PER abbreviation is "proboscis extension reflex"
What does PER mean?
PER as abbreviation means "proboscis extension reflex"
