What does LTR stand for?
LTR stands for "lung-thratic ratio"
How to abbreviate "lung-thratic ratio"?
"lung-thratic ratio" can be abbreviated as LTR
What is the meaning of LTR abbreviation?
The meaning of LTR abbreviation is "lung-thratic ratio"
What does LTR mean?
LTR as abbreviation means "lung-thratic ratio"
