方法：采用大鼠乙醇胃粘膜损伤模型，测定其胃粘膜内一氧化氮合成酶(NOS)和内皮素(et)含量并观察其胃粘膜病理变化。
Methods: the model of gastric mucosal injury in rats was induced by ethanol, and the activity of nitric oxide synthetase (NOS) and contents of et in gastric mucosa was measured.
方法：采用大鼠乙醇胃粘膜损伤模型，测定其胃粘膜内一氧化氮合成酶(NOS)和内皮素(et)含量并观察其胃粘膜病理变化。
Methods: the model of gastric mucosal injury in rats was induced by ethanol, and the activity of nitric oxide synthetase (NOS) and contents of et in gastric mucosa was measured.
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