方法采用反相高效液相色谱法对30例肿瘤患者静脉滴入MTX（1．0-3．0／次）后的脑脊液和血浆中MTX浓度进行连续测定。
Methods: MTX at a high dose ranging from 1.0 to 3.0 g per course was intravenously administered to 30 patients with malignant tumors.
目的：观察利多卡因、地塞米松静脉点滴联合利多卡因鼻腔滴入治疗中、重度发作期偏头痛的疗效及不良反应。
Aim: To observe the effects of lidocaine and dexamethasone combination in the treatment of moderate and severe migraine.
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