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Subjects
- Pennsylvania1
- Pensions1
- Pensions -- organization & administration1
- Pharmaceutical Preparations2
- Philadelphia2
- Philadelphia (Pa.). Board of Health.1
- Philosophy, Medical1
- Physical Education and Training1
- Physicians2
- Physicians -- economics1
- Physiology2
- Phytotherapy5
- Plant Preparations1
- Plants, Medicinal1
- Polygala1
- Protestantism1
- Public Assistance -- organization & administration1
- Public Health -- legislation & jurisprudence1
- Public Health Administration1
- Pyrola1