全身麻醉下食管梗阻解除，马
Photograph of a horse under general anesthesia, positioned in dorsal recumbency, with a nasotracheal tube inserted for lavage of the esophagus to relieve an obstruction.
Courtesy of Dr. Jan Hawkins, Purdue University.
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Photograph of a horse under general anesthesia, positioned in dorsal recumbency, with a nasotracheal tube inserted for lavage of the esophagus to relieve an obstruction.
Courtesy of Dr. Jan Hawkins, Purdue University.
