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- Author(s):
- Ruiz, Luis E., 1857-1914
- Publication:
- México : Imprenta de Jens y Zapiain, 1878
- Subject(s):
- Hygiene -- education
- Author(s):
- Ruiz, Luis E., 1857-1914
- Publication:
- México : Imprenta de Francisco Diaz de Leon, 1877
- Subject(s):
- Pneumonia -- therapy
Mexico