1.文章名称：
（1）A multicenter, placebo-controlled study evaluating zolpidem in the treatment of chronic insomnia. Scharf, Martin B.; Roth, Thomas; Vogel, Gerald W.; Walsh, James K.The Journal of Clinical Psychiatry, Vol 55(5), May 1994, 192-199.
（2）Daytime consequences and correlates of insomnia in the United States: Results of the 1991 National Sleep Foundation Survey. II. Sleep: Journal of Sleep Research & Sleep Medicine, Vol 22(Suppl 2), May 1999, S354-S358.
2.需要下载到文献全文的PDF版本，以文献原始名称命名。
3.按照合格交稿的顺序，先到先得，一篇文章可以获得25元奖励
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