APA
Quintana C., Galleguillos L., Benavides E., Quintana J. C., Zúñiga A., Duarte I., Klaassen J., Kolbach M., Soto R. M., Iacobelli S., Alvarez M. & O'Brien A. (20121206). Clinical diagnostic clues in Crohn's disease: a 41-year experience. : ISRN gastroenterology.
Chicago
Quintana C, Galleguillos L, Benavides E, Quintana J C, Zúñiga A, Duarte I, Klaassen J, Kolbach M, Soto R M, Iacobelli S, Alvarez M and O'Brien A. 20121206. Clinical diagnostic clues in Crohn's disease: a 41-year experience. : ISRN gastroenterology.
Harvard
Quintana C., Galleguillos L., Benavides E., Quintana J. C., Zúñiga A., Duarte I., Klaassen J., Kolbach M., Soto R. M., Iacobelli S., Alvarez M. and O'Brien A. (20121206). Clinical diagnostic clues in Crohn's disease: a 41-year experience. : ISRN gastroenterology.
MLA
Quintana C, Galleguillos L, Benavides E, Quintana J C, Zúñiga A, Duarte I, Klaassen J, Kolbach M, Soto R M, Iacobelli S, Alvarez M and O'Brien A. Clinical diagnostic clues in Crohn's disease: a 41-year experience. : ISRN gastroenterology. 20121206.