What does PEN stand for?
PEN stands for "pigmented epidermal nevus"
How to abbreviate "pigmented epidermal nevus"?
"pigmented epidermal nevus" can be abbreviated as PEN
What is the meaning of PEN abbreviation?
The meaning of PEN abbreviation is "pigmented epidermal nevus"
What does PEN mean?
PEN as abbreviation means "pigmented epidermal nevus"
