PNA
PNA can point to the Spanish city of Pamplona, the governing Palestinian National Authority, the Parties to the Nauru Agreement on fisheries, or a synthetic DNA analogue called peptide nucleic acid.
Medical
Progressive Neuronal Abiotrophy
Peptide Nucleic Acid
Post-Natal Age
Paris Nomina Anatomica
Partial Nail Avulsion
Percutaneous Needle Aspiration
Personal Needs Allowance
Pharmaceutical Needs Assessment
Purine Nucleoside Analogue
Psychiatric Nurses Association
Miscellaneous
Puria Nafisi Azizi
Professional Network on Aging
Preferred Network Access
Professor Nijssen Associates
Primes Non Acquises
Community
Palestine News Agency
Progressive Network Academy
Patronato Nacional Antituberculoso
Pituitary Network Association
Philippines News Agency
Phinney Neighborhood Associations
Governmental
Passed Not Advanced
Palestine National Authority
Polish National Alliance
Planned Not Authorized
Palestinian National Authority
Phoneline Networking Alliance
Academic & Science
Pacific/ North American
Parties to the Nauru Agreement
Positive/Negative Anomaly
Principles of Naval Architecture
P-Nitro-Anilide