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- Guidelines for authors: Cover letter
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- Guidelines for authors: Editorial
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- Guidelines for authors: Evidence-based medicine
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- Guidelines for authors: Field of vision
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- Guidelines for authors: Frontiers
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- Guidelines for authors: Guidelines
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- Guidelines for authors: Letters to the editor
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- Guidelines for authors: Meta-Analysis
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- Guidelines for authors: Minireviews
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- Guidelines for authors: Observational study
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- Guidelines for authors: Prospective study
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- Guidelines for authors: Randomized clinical trial
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- Guidelines for authors: Retraction note
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- Guidelines for authors: Retrospective cohort study
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- Guidelines for authors: Retrospective study
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- Guidelines for authors: Review
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