Bielefeldt, K. (2010). Approaching patients with irritable bowel syndrome. Medicine Reports Ltd.
Chicago Style aipamenaBielefeldt, Klaus. Approaching Patients With Irritable Bowel Syndrome. Medicine Reports Ltd, 2010.
MLA aipamenaBielefeldt, Klaus. Approaching Patients With Irritable Bowel Syndrome. Medicine Reports Ltd, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.