What does HRR stand for?
HRR stands for "heart ratereserve"
How to abbreviate "heart ratereserve"?
"heart ratereserve" can be abbreviated as HRR
What is the meaning of HRR abbreviation?
The meaning of HRR abbreviation is "heart ratereserve"
What does HRR mean?
HRR as abbreviation means "heart ratereserve"
