Gaya APA

EDLUND, M, J. et al (2014). Patterns of opioid use for chronic noncancer pain in the veterans Health administration from 2009 t0 2011 . Washington: IASP.

Gaya MLA

EDLUND, Mark, J. et al. "Patterns of opioid use for chronic noncancer pain in the veterans Health administration from 2009 t0 2011". Washington: IASP, 2014. Artikel.