Positive Negative Positive (AD)
Pakistan National Party - Political party (PD)
Panache Resources, Inc. - Vancouver Stock Exchange symbol
Pancana - Language code (ETLW)
Pancreatic Polypeptide - Medicine (EDAA)
Pan Pacific Retail Prop. - NYSE symbol (SPSG)
Paranitrophenal
Para-Nitrophenol - or Nitrophenyl - Organic chemistry
Para-Nitrophenyl (SAUS)
Para-Nitrophenyl-Beta-Galactosidase - An enzyme (DAVI)
Park/Neutral Position - Automotive term (HAWK)
Partido Nacionalista del Pueblo - Bolivia - Political party (PPW)
Partido Nacionalista ng Pilipinas - Philippine Nationalist Party - Political party (EY)
Partido Nacionalista Popular - Popular Nationalist Party - Panama - Political party (PPW)
Partido Nashonal di Pueblo - National People's Party - Netherlands Antilles - Political party (EY)
Partido Nuevo Progresista - New Progressive Party - Puerto Rico - Political party (PPW)
Partidul National Poporului - National People's Party - Romania - Political party (PPE)
Parti National du Progres - National Progress Party - Congo - Political party
Parti National Populaire - National Popular Party - Canada - Political party (PPW)
Parti National Progressiste - Haiti - Political party (EY)
Passive Neighbourhood Pattern (SAUS)
Peake's English Nisi Prius Cases - 1790-1812 - A publication (DLA)
Peak Negative Pressure - Medicine (DAVI)
Pearl Necklace Polymer - Organic chemistry
Pediatric Nephrology - Medical specialty (DHSM)
Pediatric Nurse Practitioner
Penuelas - Puerto Rico - Seismograph station code, US Geological Survey (SEIS)
People's National Party - Jamaica - Political party (PPW)
People's National Party - Ghana - Political party (PPW)
Peripheral Neuropathy - Medicine
Philippine National Police (SAUS)
Pick-and-Place Robot (SAUS)
Platelet Neutralization Procedure - Medicine (MEDA)
Platt National Park - Oklahoma (AD)
Plug and Play - Microsoft Corp. - Computer auto-configuration system
Plug N Play (SAUS)
Polyneuropathy - Medicine (STED)
Popondetta - Papua New Guinea - Airport symbol (OAG)
Popular Nationalist Party - Panama - Political party (PD)
Positive-Negative-Positive - Transistor
Post-Nodal Piece (SAUS)
Precision Navigation Processor (SAUS)
Precision Navigation Project
Preliminary Network Plan (SSD)
Prenegotiation Position (MCD)
Private Non-Profit
Private Numbering Plan
Probability of No Penetration - NASA (SPST)
Programmed Numerical Pathcontroller (SAUS)
Progressive National Party - Turks and Caicos Islands - Political party (PPW)
Progressive Nuclear Palsy - Neurology (DAVI)
Prototype Nuclear Process
Provincial Nominee Program - Saskatchewan, Canada (FOTI)
Psychiatric Nurse Practitioner (NUJO)
Psychogenic Nocturnal Polydipsia - Medicine
P-Type, N-Type, P-Type Transistor (NITA)
Purine-Nucleoside Phosphorylase - An enzyme
Purine Nucleotide Phosphorylase - An enzyme (DAVI)
Pyridoxine Phosphate - Biochemistry
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