Subjects
- Pennsylvania144
- Water Supply141
- Communicable Disease Control135
- Phytotherapy135
- Infant128
- Disease Outbreaks127
- Obstetrics125
- General Surgery124
- Brazil122
- Spanish-American War, 1898118
- Clinical Medicine116
- Genital Diseases, Female116
- Mental Disorders116
- Michigan116
- Health Resorts112
- Tuberculosis, Pulmonary -- therapy112
- Pregnancy104
- Military Hygiene102
- Yellow Fever102
- Dissent and Disputes101