copyright or Benzoylmethylecgonine is an alkaloid extracted from the leaves of the Erythroxylon plant. which can cause gastrointestinal ischemia from severe arterial vasoconstriction via stimulation of alpha-adrenergic receptors in the gastric and mesenteric arteries. We report this case of a 65-year-old man who presented with a single massive ulcer at the incisura of the stomach as a... https://knifejoyers.shop/product-category/collections/