[Errors in diagnosis of esophageal perforation].
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Esophageal Neoplasms↗
Biomedical subjects
L N Koval'chuk
Publications and source records attributed to L N Koval'chuk.
[Diagnosis of gastric cancer by means of peritoneoscopy in association with transillumination].
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Adult↗
[A case of cancer of the skin of the face].
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Aged↗
[On diagnostic pneumoperitoneum in surgery].
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Adult↗
[Assessment of the medical status of dental outpatients using a health chart].
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Adult↗