PTSR
| Acronym | Definition |
|---|---|
| PTSR | Polskiego Towarzystwa Stwardnienia Rozsianego (Polish: Polish Multiple Sclerosis Society) |
| PTSR | Post Traumatic Stress Reaction |
| PTSR | Postmobilization Training & Support Requirements |
| PTSR | Project Tracking Status Report |
| PTSR | Physical Therapy and Sports Rehab (of Hastings, NE) |
| PTSR | Proximal Tubular Sodium Reabsorption |