Jewell, D. (1988). How I do it. Medical management of severe ulcerative colitis.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJewell, D. How I Do It. Medical Management of Severe Ulcerative Colitis. 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJewell, D. How I Do It. Medical Management of Severe Ulcerative Colitis. 1988.
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