APA (7th ed.) Citation

Boberg, K., Bergquist, A., Mitchell, S., Pares, A., Rosina, F., Broomé, U., . . . Schrumpf, E. (2002). Cholangiocarcinoma in primary sclerosing cholangitis: Risk factors and clinical presentation.

Chicago Style (17th ed.) Citation

Boberg, K., et al. Cholangiocarcinoma in Primary Sclerosing Cholangitis: Risk Factors and Clinical Presentation. 2002.

MLA (9th ed.) Citation

Boberg, K., et al. Cholangiocarcinoma in Primary Sclerosing Cholangitis: Risk Factors and Clinical Presentation. 2002.

Warning: These citations may not always be 100% accurate.