APA Citatie

Eherer, A. J., Schwetz, I., Hammer, H. F., Petnehazy, T., Scheidl, S. J., Weber, K., & Krejs, G. J. (2002). Effect of sildenafil on oesophageal motor function in healthy subjects and patients with oesophageal motor disorders. Copyright 2002 by Gut.

Chicago Style citaat

Eherer, A J., I. Schwetz, H F. Hammer, T. Petnehazy, S J. Scheidl, K. Weber, en G J. Krejs. Effect of Sildenafil On Oesophageal Motor Function in Healthy Subjects and Patients With Oesophageal Motor Disorders. Copyright 2002 by Gut, 2002.

MLA citatie

Eherer, A J., et al. Effect of Sildenafil On Oesophageal Motor Function in Healthy Subjects and Patients With Oesophageal Motor Disorders. Copyright 2002 by Gut, 2002.