Top‐cited articles in digestive system disease from 1950 to 2013
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Web of Knowledge.ISI Web of Knowledge.2011. [Accessed on 25 September 2013.] Available from URL:http://apps.webofknowledge.com/
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GarfieldE.What is a citation classic?Available from URL:http://garfield.library.upenn.edu/ classics.html. Accessed on October 52013.
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Brandt JS, 2010, Citation classics in obstetrics and gynecology: the 100 most frequently cited journal articles in the last 50 years, Am. J. Obstet. Gynecol., 203, 1, 10.1016/j.ajog.2010.07.025