What does P.O. stand for?

P.O. stands for "by mouth (per os) [Lat.]"

How to abbreviate "by mouth (per os) [Lat.]"?

"by mouth (per os) [Lat.]" can be abbreviated as P.O.

What is the meaning of P.O. abbreviation?

The meaning of P.O. abbreviation is "by mouth (per os) [Lat.]"

What does P.O. mean?

P.O. as abbreviation means "by mouth (per os) [Lat.]"