What does OPB stand for?
OPB stands for "out-pulmonary blood"
How to abbreviate "out-pulmonary blood"?
"out-pulmonary blood" can be abbreviated as OPB
What is the meaning of OPB abbreviation?
The meaning of OPB abbreviation is "out-pulmonary blood"
What does OPB mean?
OPB as abbreviation means "out-pulmonary blood"
