APA aipamena

Kruis, W., Chrubasik, S., Boehm, S., Stange, C., & Schulze, J. (2011). A double-blind placebo-controlled trial to study therapeutic effects of probiotic Escherichia coli Nissle 1917 in subgroups of patients with irritable bowel syndrome. Springer-Verlag.

Chicago Style aipamena

Kruis, Wolfgang, Sigrun Chrubasik, Stephan Boehm, Christiane Stange, and Juergen Schulze. A Double-blind Placebo-controlled Trial to Study Therapeutic Effects of Probiotic Escherichia Coli Nissle 1917 in Subgroups of Patients With Irritable Bowel Syndrome. Springer-Verlag, 2011.

MLA aipamena

Kruis, Wolfgang, et al. A Double-blind Placebo-controlled Trial to Study Therapeutic Effects of Probiotic Escherichia Coli Nissle 1917 in Subgroups of Patients With Irritable Bowel Syndrome. Springer-Verlag, 2011.