What does OTB stand for?
OTB stands for "o-toluidine blue"
How to abbreviate "o-toluidine blue"?
"o-toluidine blue" can be abbreviated as OTB
What is the meaning of OTB abbreviation?
The meaning of OTB abbreviation is "o-toluidine blue"
What does OTB mean?
OTB as abbreviation means "o-toluidine blue"
