What does PKK stand for?
PKK stands for "Physiological knock-knee"
How to abbreviate "Physiological knock-knee"?
"Physiological knock-knee" can be abbreviated as PKK
What is the meaning of PKK abbreviation?
The meaning of PKK abbreviation is "Physiological knock-knee"
What does PKK mean?
PKK as abbreviation means "Physiological knock-knee"
