APA aipamena

Nixdorf, D. R., Law, A. S., John, M. T., Sobieh, R. M., Kohli, R., & Nguyen, R. H. (2015). Differential Diagnoses for Persistent Pain Following Root Canal Treatment: A Study in the National Dental PBRN. J Endod.

Chicago Style aipamena

Nixdorf, Donald R., Alan S. Law, Mike T. John, Radwa M. Sobieh, Richie Kohli, and Ruby H.N Nguyen. "Differential Diagnoses for Persistent Pain Following Root Canal Treatment: A Study in the National Dental PBRN." J Endod 2015.

MLA aipamena

Nixdorf, Donald R., et al. "Differential Diagnoses for Persistent Pain Following Root Canal Treatment: A Study in the National Dental PBRN." J Endod 2015.