Subjects
- Plasma1
- Politics1
- Portugal1
- Postoperative Care1
- Potts, Jonathan, 1745-1781.1
- Pregnancy, Multiple2
- Preventive Health Services7
- Preventive Medicine2
- Preventive Medicine -- history4
- Pringle, John, Sir, 1707-1782.2
- Prisoners of War2
- Program Evaluation1
- Prostheses and Implants1
- Public Health3
- Public Health Administration1
- Public Health Practice1
- Publishing1
- Quackery1
- Quality Control1
- Quality Indicators, Health Care1