Subjects
- Organizations, Nonprofit3
- Orphanages3
- Orphanages -- organization & administration3
- Orthotic Devices3
- Otorhinolaryngologic Diseases3
- Pakistan3
- Paleontology3
- Parenting3
- Parents3
- PareĢ, Ambroise, 1510?-1590.3
- Parkman, George, 1790-1849.3
- Pathology, Clinical3
- Pathology, Surgical3
- Pennsylvania Hospital (Philadelphia, Pa.)3
- Peripheral Nerve Injuries3
- Personnel Turnover3
- Personnel, Hospital -- standards3
- Philippines3
- Physical Examination -- methods3
- Physicians -- supply & distribution3