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Subjects
- Abattoirs -- legislation & jurisprudence1
- Abdomen1
- Abdomen -- surgery1
- Abdominal Injuries -- surgery1
- Abdominal Pain1
- Abortion, Habitual -- etiology1
- Abortion, Habitual -- prevention & control1
- Abortion, Illegal1
- Abortion, Incomplete -- surgery1
- Abortion, Spontaneous2
- Abortion, Spontaneous -- etiology1
- Abortion, Therapeutic -- mortality1
- Abstracting and Indexing -- standards1
- Academia Nacional de Medicina (Colombia)1
- Academic Medical Centers1
- Academies and Institutes1
- Acceleration1
- Accidents, Occupational1
- Accidents, Occupational -- prevention & control1
- Accommodation, Ocular2