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Prolonged Exercise of the Vocal Organs, and of the Organs of Respiration, as a Means of Strengthening Them, and of Warding off Incipient Phthisis Pulmonalis
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
J.F.Ballantyne
1852
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9937145/ https://www.ncbi.nlm.nih.gov/pubmed/37319826 |