求购五篇文献

文献名称：
1.GI highlights from the literature
2.氯吡格雷活性代谢物合成路线研究
3. H Liehr ， WD Heine.Treatment of endotoxemia in galactosamine hepatitis by lactulose administered intravenously.Hepato-gastroenterology , 1981 , 28 (6) :296-8
4.N Ebner.Lactose and lactose-derivative (Laevolac) in the treatment of the endogenic factor in parodontopathies.《Osterr Z Stomatol》 , 1973 , 70 (9) :317-324
5.N Ebner.Guidelines for Laevolac therapy against the endogenous factor in periodontal diseases.《Osterr Z Stomatol》 , 1978 (9) :327-331
要求：
1.需要下载到文献全文的PDF版本，以文献原始名称命名。
2.按照合格交稿的顺序，先到先得，一篇文章可以获得10元奖励

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