求翻译：治疗头痛的药--美西麦角会造成病人心脏、肾脏和腹部的血管形成瘢痕，但在动物实验中没有观察到这些反应，甚至医生特意回到实验室重做实验也无法在动物身上发现这些反应。是什么意思？

Treatment of headache medicine - methysergide will cause the blood vessels of patients with heart, kidneys and abdomen scar formation, but not observed in animal studies of these reactions, and even doctors deliberately back to the lab to redo the experiment can not be found in animals reaction.

Treatment headache treatment of the American west, lysergic acid diethylamide (LSD), the heart can cause kidney and stomach of the vascularization in hepatocellular carcinoma, but in experimental animals have been observed these responses, and even medical doctors intentionally back into the lab to

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Drugs to treat headache – Methysergide leads to patient heart, kidney and abdominal vascular scarring, but did not observe the reaction in animal experiments, doctors even went out back to the lab to do experiments and I cannot find these reactions in animals.

Treatment headache medicine--West America ergot can create the patient heart, the kidney and the abdomen vascularization scar, but has not observed these responses in the animal experimentation, even doctor returns to the laboratory to recreate the experiment specially to be also unable on the anima