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Subjects
- Back Pain -- etiology1
- Back Pain -- therapy1
- Bacteria -- pathogenicity1
- Bacterial Typing Techniques1
- Bahamas2
- Balaenoptera -- classification1
- Balneology8
- Baltimore8
- Bandages10
- Bard, Samuel, 1742-1821.1
- Barnes Hospital (Washington, D.C.)1
- Barrera, Severino de la, -1877.1
- Bartholow, Roberts, 1831-1904.1
- Bartlett, Elisha, 1804-1855.1
- Baths6
- Battey, Robert, 1828-1895.1
- Battle Creek Sanitarium (Battle Creek, Mich.)1
- Beauty1
- Beer1
- Behavior, Animal1