Björnsson, E., Olsson, R., Bergquist, A., Lindgren, S., Braden, B., Chapman, R., . . . Angulo, P. (2008). The natural history of small-duct primary sclerosing cholangitis.
Lua i Stíl Chicago (17ú heag.)Björnsson, E., R. Olsson, A. Bergquist, S. Lindgren, B. Braden, R. Chapman, K. Boberg, agus P. Angulo. The Natural History of Small-duct Primary Sclerosing Cholangitis. 2008.
Lua MLA (9ú heag.)Björnsson, E., et al. The Natural History of Small-duct Primary Sclerosing Cholangitis. 2008.
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