What does OPA stand for?
OPA stands for "Oral Pharyngeal Airway"
How to abbreviate "Oral Pharyngeal Airway"?
"Oral Pharyngeal Airway" can be abbreviated as OPA
What is the meaning of OPA abbreviation?
The meaning of OPA abbreviation is "Oral Pharyngeal Airway"
What does OPA mean?
OPA as abbreviation means "Oral Pharyngeal Airway"
