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初发劳力心绞痛指过去未发生过心绞痛或心肌梗塞的患者(也有人认为应包括曾有心绞痛但已数月不发作者),在最近一个月
Initial labor Angina refers to patients who have not had angina or myocardial infarction in the past (some people think that angina has been included but have not been for several months), in the last month