Lua APA (7ú heag.)

Björnsson, E., Simren, M., Olsson, R., & Chapman, R. (2004). Fatigue in patients with primary sclerosing cholangitis.

Lua i Stíl Chicago (17ú heag.)

Björnsson, E., M. Simren, R. Olsson, agus R. Chapman. Fatigue in Patients with Primary Sclerosing Cholangitis. 2004.

Lua MLA (9ú heag.)

Björnsson, E., et al. Fatigue in Patients with Primary Sclerosing Cholangitis. 2004.

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