What does HDTB stand for?
HDTB stands for "head-down tilt bed rest"
How to abbreviate "head-down tilt bed rest"?
"head-down tilt bed rest" can be abbreviated as HDTB
What is the meaning of HDTB abbreviation?
The meaning of HDTB abbreviation is "head-down tilt bed rest"
What does HDTB mean?
HDTB as abbreviation means "head-down tilt bed rest"
