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The scope of the controlled clinical trial, illustrated by studies of pulmonary tuberculosis
This report draws attention to the wide use of the controlled clinical trial in the study of tuberculosis in certain countries and centres and to the remarkable neglect of this method in the great majority of countries. Its versatility has been demonstrated by many studies: it has been used to study...
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| Formato: | Artigo |
| Lenguaje: | Inglês |
| Publicado: |
1971
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| Materias: | |
| Acceso en línea: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2427972/ https://ncbi.nlm.nih.gov/pubmed/4947491 |
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