APA

Velayos F. S., Loftus E. V., Jess T., Harmsen W. S., Bida J., Zinsmeister A. R., Tremaine W. J. & Sandborn W. J. (20060718). Predictive and protective factors associated with colorectal cancer in ulcerative colitis: A case-control study. : Gastroenterology.

Chicago

Velayos Fernando S, Loftus Edward V, Jess Tine, Harmsen W Scott, Bida John, Zinsmeister Alan R, Tremaine William J and Sandborn William J. 20060718. Predictive and protective factors associated with colorectal cancer in ulcerative colitis: A case-control study. : Gastroenterology.

Harvard

Velayos F. S., Loftus E. V., Jess T., Harmsen W. S., Bida J., Zinsmeister A. R., Tremaine W. J. and Sandborn W. J. (20060718). Predictive and protective factors associated with colorectal cancer in ulcerative colitis: A case-control study. : Gastroenterology.

MLA

Velayos Fernando S, Loftus Edward V, Jess Tine, Harmsen W Scott, Bida John, Zinsmeister Alan R, Tremaine William J and Sandborn William J. Predictive and protective factors associated with colorectal cancer in ulcerative colitis: A case-control study. : Gastroenterology. 20060718.