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Authors
- Palmer, W. B. (William Bradley), author1
- Parsons, John William, 1841-1912 author1
- Parvin, Theophilus, 1829-1898 author1
- Pennsylvania Society for the Prevention of Tuberculosis, author.1
- Pfister, C. A. (Charles A.) author1
- Philadelphia County Medical Society, author.1
- Philadelphia County Medical Society.1
- Philadelphia Medical Society.1
- Plummer, R. H. (Richard H.), 1840-1899 author1