What does PTAS stand for?
PTAS stands for "posterior thoracic air sac"
How to abbreviate "posterior thoracic air sac"?
"posterior thoracic air sac" can be abbreviated as PTAS
What is the meaning of PTAS abbreviation?
The meaning of PTAS abbreviation is "posterior thoracic air sac"
What does PTAS mean?
PTAS as abbreviation means "posterior thoracic air sac"
