| PTA | 1) Prior To Admission 2) Plasma Thromboplatin Antecedent |
|---|---|
| PTA | parallel tubular arrays; parathyroid adenoma; percutaneous transluminal angioplasty; peroxidase-labeled antibody; persistent truncus arteriosus; phosphotungstic acid; physical therapy assistant; plasma thromboplastin antecedent; posttraumatic amnesia; pretreatment anxiety; prior to admission; prior to arrival; prothrombin activity |
| PTAF | platelet activating factor |
| PTAFR | platelet activating factor receptor |
| PTAH | phosphotungstic acid hematoxylin |
| PTAP | purified diphtheria toxoid precipitated by aluminum phosphate |
| PTAT | pure tone average threshold |