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Subjects
- Pregnancy Complications, Cardiovascular[remove]5
- Anemia, Pernicious -- complications1
- Bronchial Diseases -- complications1
- Cardiomegaly1
- Cardiomegaly -- complications1
- Dyspnea, Paroxysmal -- etiology1
- Fatal Outcome1
- Heart Diseases -- complications1
- Mexico1
- Mitral Valve Stenosis -- complications1
- Pneumonia1
- Serologic Tests1
- Typhoid Fever -- diagnosis1