Medical instruments and apparatus | 22 |
Microscopes | 22 |
Medical microscopy | 19 |
Microscopy | 19 |
Optical Devices | 10 |
Advertising | 4 |
Children in advertising | 3 |
Nonprescription Drugs/history | 3 |
Patent medicines | 3 |
Back Pain/drug therapy | 2 |
Dogs in advertising | 2 |
Edema/drug therapy | 2 |
Heart Diseases/drug therapy | 2 |
Hospital buildings--New York (State)--Rochester | 2 |
Kidney Diseases/drug therapy | 2 |
Rheumatic Diseases/drug therapy | 2 |
Stroke/drug therapy | 2 |
Urinary Bladder Diseases/drug therapy | 2 |
Yeast | 2 |
Advertising--Soap | 1 |
City Hospital and Nurses' Home (Rochester, N.Y.) | 1 |
Nurses--Dwellings--New York (State)--Rochester | 1 |
Rochester Homeopathic Hospital (Rochester, N.Y.) | 1 |
Soaps | 1 |