What does PTR stand for?
PTR stands for "prolonged treadmill running"
How to abbreviate "prolonged treadmill running"?
"prolonged treadmill running" can be abbreviated as PTR
What is the meaning of PTR abbreviation?
The meaning of PTR abbreviation is "prolonged treadmill running"
What does PTR mean?
PTR as abbreviation means "prolonged treadmill running"
