| NAPPH | National Association of Private Psychiatric Hospitals |
|---|---|
| PEF | peak expiratory flow; Psychiatric Evaluation Form; pulmonary edema fluid |
| PERI | Psychiatric Epidemiology Research Interview |
| PET | peak ejection time; polyethylene terphthalate; poor exercise tolerance; positron emission tomography... |
| PIA | photoelectric intravenous angiography; plasma insulin activity; preinfarction angina; Psychiatric In... |