APA način citiranja

Park, C. H. (2013). Comparison of Morphine and Tramadol in Transforaminal Epidural Injections for Lumbar Radicular Pain. The Korean Pain Society.

Čikaški stil citiranja

Park, Chan Hong. Comparison of Morphine and Tramadol in Transforaminal Epidural Injections for Lumbar Radicular Pain. The Korean Pain Society, 2013.

MLA način citiranja

Park, Chan Hong. Comparison of Morphine and Tramadol in Transforaminal Epidural Injections for Lumbar Radicular Pain. The Korean Pain Society, 2013.