What does Q12H stand for?

Q12H stands for "Every 12 Hours"

How to abbreviate "Every 12 Hours"?

"Every 12 Hours" can be abbreviated as Q12H

What is the meaning of Q12H abbreviation?

The meaning of Q12H abbreviation is "Every 12 Hours"

What does Q12H mean?

Q12H as abbreviation means "Every 12 Hours"