Merck Manual

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Rumen ulceration and hemorrhage, bovine
rumen-ulceration-and-hemorrhage-bovine-garland-sized
Rumen ulceration and hemorrhage, bovine

    Gross pathology photograph of a bovine rumen displaying ulcerative (small arrow) and hemorrhagic (large arrow) lesions in a case of arsenic poisoning.

Courtesy of Dr. Tam Garland.