Feldman, M., Friedman, L. S., & Sleisenger, M. H. (2002). Sleisenger & Fordtran's Gastrointestinal and liver disease (7th edition.). Saunders.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFeldman, Mark, Lawrence S. Friedman, और Marvin H. Sleisenger. Sleisenger & Fordtran's Gastrointestinal and Liver Disease. 7th edition. Philadelphia [u.a.]: Saunders, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFeldman, Mark, et al. Sleisenger & Fordtran's Gastrointestinal and Liver Disease. 7th edition. Saunders, 2002.
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