What does HH stand for?
HH stands for "hypobaric hypoxia"
How to abbreviate "hypobaric hypoxia"?
"hypobaric hypoxia" can be abbreviated as HH
What is the meaning of HH abbreviation?
The meaning of HH abbreviation is "hypobaric hypoxia"
What does HH mean?
HH as abbreviation means "hypobaric hypoxia"
