The meaning of the Acronym PNPB is...

PNPB is

• Positive-Negative Pressure Breathing

More Meanings For PNPB:

• PolyNucleotide Phosphorylase B
• P-NitroPhenyl Butryate
• Positive-Negative Pressure Breathing

PNPB is also in:

• Chemistry
• Physiology