What does OPM stand for?
OPM stands for "Occult Primary Malignancy"
How to abbreviate "Occult Primary Malignancy"?
"Occult Primary Malignancy" can be abbreviated as OPM
What is the meaning of OPM abbreviation?
The meaning of OPM abbreviation is "Occult Primary Malignancy"
What does OPM mean?
OPM as abbreviation means "Occult Primary Malignancy"
