Vitamin A deficiency and its consequences. A field guide to detection and control
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Main Authors: | , |
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Format: | Texto biblioteca |
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Geneva (Switzerland) WHO
1995
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Subjects: | XEROPHTHALMIA, RETINOL, DIAGNOSIS, EPIDEMIOLOGY, DISEASE SURVEYS, DISEASE CONTROL, XEROPHTALMIE, XEROFTALMIA, DIAGNOSTIC, EPIDEMIOLOGIE, ENQUETE PATHOLOGIQUE, CONTROLE DE MALADIES, DIAGNOSTICO, EPIDEMIOLOGIA, ENCUESTAS SANITARIAS, CONTROL DE ENFERMEDADES, |
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