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牙骨质发生自( )。
炭疽杆菌 tàn jū ɡǎn jūn
在船舶靠码头系缆图中B是()
局麻药按其化学结构的不同分为()和()。
溃疡病行胃大部切除术,一般应切除胃容积的()
下列晚期产后出血的临床表现不包括( )。
牛饲养者决定对冲未来的牛需求。当他放置套期保值时,基差为-45欧元/磅(合约=44,0001英镑)。如果套期保值被提升,基差为每磅-47欧元,那么套期保值者将在每头英镑上损失2欧元。
骨折不愈合最有效的治疗方法是()
患者,女性,60岁,9年前开始出现活动后气急,近2个月来加重,常于夜间憋醒,坐起后减轻。该患者可能是()
患者女,8岁,因“双侧上睑下垂、复视2个月”来诊。无明显诱因发病,晨轻幕重。疑诊为重症肌无力。为明确诊断,首选检查是()
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