| PFPS | patellofemoral pain syndrome |
|---|---|
| PFS | patellofemoral syndrome; primary fibromyalgia syndrome; protein-free supernatant; pulmonary function... |
| AAPS | American Association of Plastic Surgeons; Arizona Articulation Proficiency Scale; Association of Ame... |
| AI | accidental injury; accidentally incurred; adiposity index; aggregation index; allergy and immunology... |
| art | artery, arterial; articulation; artificial |