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Lua i Stíl Chicago (17ú heag.)Mitchell, SA, M. Thyssen, M. Mitchell, T. Orchard, D. Jewell, K. Fleming, agus R. Chapman. Cigarette Smoking, Appendectomy and Tonsillectomy as Risk Factors for the Development of Primary Sclerosing Cholangitis (PSC): A Case Control Study. 1998.
Lua MLA (9ú heag.)Mitchell, SA, et al. Cigarette Smoking, Appendectomy and Tonsillectomy as Risk Factors for the Development of Primary Sclerosing Cholangitis (PSC): A Case Control Study. 1998.
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