Journal of Crohn's and Colitis Supplements. European Crohn's and Colitis Organisation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJournal of Crohn's and Colitis Supplements. European Crohn's and Colitis Organisation.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJournal of Crohn's and Colitis Supplements. European Crohn's and Colitis Organisation.
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