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一项自１９９３～１９９６年在欧洲１６个医疗中心开展的配比对照研究，旨在探讨口服避孕药（ＯＣ）尤其中含有现代孕激素的品种。对１６～４４岁女性发生缺血性脑卒中的危险影响及其因果关系的强度。研究对象包括２２０例明确诊断为脑（血）栓塞的患者。３６６例无脑栓塞...
A comparisons study from 16 medical centers in Europe from 1993 to 1996 aimed to investigate the oral contraceptives (OCs), in particular, which contain modern progestogens. Danger of ischemic stroke in women aged 16-44 years and the strength of causality. Subjects included 220 patients with a definite diagnosis of cerebral (blood) embolism. 366 cases without cerebral embolism ...