No abstract available
MeSH terms
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Carcinoma, Squamous Cell / diagnostic imaging*
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Esophageal Neoplasms / diagnostic imaging*
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Esophagus / diagnostic imaging
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Humans
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Male
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Middle Aged
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Thallium Radioisotopes*
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Thorax / diagnostic imaging*
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Tomography, Emission-Computed, Single-Photon*