APA

Katz N., Rauck R., Ahdieh H., Ma T., Gerritsen van der Hoop R., Kerwin R. & Podolsky G. (20070403). A 12-week, randomized, placebo-controlled trial assessing the safety and efficacy of oxymorphone extended release for opioid-naive patients with chronic low back pain. : Current medical research and opinion.

Chicago

Katz Nathaniel, Rauck Richard, Ahdieh Harry, Ma Tina, Gerritsen van der Hoop Roland, Kerwin Rosemary and Podolsky Gilbert. 20070403. A 12-week, randomized, placebo-controlled trial assessing the safety and efficacy of oxymorphone extended release for opioid-naive patients with chronic low back pain. : Current medical research and opinion.

Harvard

Katz N., Rauck R., Ahdieh H., Ma T., Gerritsen van der Hoop R., Kerwin R. and Podolsky G. (20070403). A 12-week, randomized, placebo-controlled trial assessing the safety and efficacy of oxymorphone extended release for opioid-naive patients with chronic low back pain. : Current medical research and opinion.

MLA

Katz Nathaniel, Rauck Richard, Ahdieh Harry, Ma Tina, Gerritsen van der Hoop Roland, Kerwin Rosemary and Podolsky Gilbert. A 12-week, randomized, placebo-controlled trial assessing the safety and efficacy of oxymorphone extended release for opioid-naive patients with chronic low back pain. : Current medical research and opinion. 20070403.