What does O sign stand for?
O sign stands for "Patient unconscious with mouth open"
How to abbreviate "Patient unconscious with mouth open"?
"Patient unconscious with mouth open" can be abbreviated as O sign
What is the meaning of O sign abbreviation?
The meaning of O sign abbreviation is "Patient unconscious with mouth open"
What does O sign mean?
O sign as abbreviation means "Patient unconscious with mouth open"