What does PNPB stand for?

PNPB stands for "Positive-Negative Pressure Breathing"

How to abbreviate "Positive-Negative Pressure Breathing"?

"Positive-Negative Pressure Breathing" can be abbreviated as PNPB

What is the meaning of PNPB abbreviation?

The meaning of PNPB abbreviation is "Positive-Negative Pressure Breathing"

What does PNPB mean?

PNPB as abbreviation means "Positive-Negative Pressure Breathing"