Cita APA (7th ed.)

Mitchell, S., Thyssen, M., Mitchell, M., Orchard, T., Jewell, D., Fleming, K., & Chapman, R. (1998). Cigarette smoking, appendectomy and tonsillectomy as risk factors for the development of primary sclerosing cholangitis (PSC): A case control study.

Cita Chicago (17th ed.)

Mitchell, SA, M. Thyssen, M. Mitchell, T. Orchard, D. Jewell, K. Fleming, i R. Chapman. Cigarette Smoking, Appendectomy and Tonsillectomy as Risk Factors for the Development of Primary Sclerosing Cholangitis (PSC): A Case Control Study. 1998.

Cita MLA (9th ed.)

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.