食道梗阻,马
Endoscopic image of a food bolus obstructing the postpharyngeal portion of the esophagus in a bovine animal.
Courtesy of Dr. Sameeh M. Abutarbush.
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Endoscopic image of a food bolus obstructing the postpharyngeal portion of the esophagus in a bovine animal.
Courtesy of Dr. Sameeh M. Abutarbush.