| Advertising | 2 |
| Dyspepsia/drug therapy | 2 |
| Erectile Dysfunction/drug therapy | 2 |
| Insecticides | 2 |
| Kidney Diseases/drug therapy | 2 |
| Nonprescription Drugs/history | 2 |
| Patent medicines | 2 |
| Rodenticides | 2 |
| Urinary Bladder Diseases/drug therapy | 2 |
| Anxiety/drug therapy | 1 |
| Callosities | 1 |
| Constipation/drug therapy | 1 |
| Fever/drug therapy | 1 |
| Helminths | 1 |
| Liver Diseases/drug therapy | 1 |
