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Subjects
- Cuba3
- Public Health3
- Argentina2
- Astronomical Phenomena2
- Weather2
- Abnormalities, Severe Teratoid1
- Accounting1
- Blood Component Removal1
- Blood Transfusion1
- Bloodletting1
- Caffeine1
- Cemeteries -- economics1
- Chile1
- Cocaine -- pharmacology1
- Cocaine -- therapeutic use1
- Coffee1
- Cuba -- epidemiology1
- Digitalis Glycosides -- therapeutic use1
- Disease1
- Education, Medical1