What does PTO stand for?
PTO stands for "portal triad occlusion"
How to abbreviate "portal triad occlusion"?
"portal triad occlusion" can be abbreviated as PTO
What is the meaning of PTO abbreviation?
The meaning of PTO abbreviation is "portal triad occlusion"
What does PTO mean?
PTO as abbreviation means "portal triad occlusion"
