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Requests     
《Brittonia》1976,28(3):288-288
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Abortion     
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Abortion     
D.R. Wilson 《CMAJ》1982,126(1):21-22
Hot tar burns, although rare, usually occur in workers in the paving and roofing industries. When tar is heated to high temperatures it can cause deep burns, and its removal often causes further damage. However, the use of one of the polysorbates (surface-active agents) makes removal easy and painless.  相似文献   

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