What does ER stand for?
ER stands for "Equivalent Roentgen"
How to abbreviate "Equivalent Roentgen"?
"Equivalent Roentgen" can be abbreviated as ER
What is the meaning of ER abbreviation?
The meaning of ER abbreviation is "Equivalent Roentgen"
What does ER mean?
ER as abbreviation means "Equivalent Roentgen"
