- Scudder, John M. (John Milton), 1829-1894.1
- Seizures -- therapy1
- Sharp, William, 1805-1896.1
- Skin Diseases -- pathology1
- Sleep Initiation and Maintenance Disorders -- drug therapy1
- Smith, A. Dwight.1
- Smith, Jerome Van Crowninshield, 1800-1879.1
- Snake Venoms -- therapeutic use1
- Societies, Hospital -- organization & administration1
- Society of Homoeopathic Physicians of Iowa.1
- Sodium Chloride -- blood1
- Spectrum Analysis1
- Spinal Curvatures -- therapy1
- Spiritual Therapies1
- St. Louis City Hospital.1
- Stephenson, James H., 1919-1
- Students, Medical1
- Superstitions1
- Surgical Equipment1
- Surgical Instruments1