Richards, MD, PhD, Patricia, United States

• Journal of Opioid Management Vol. 7 No. 3 (2011): May/June - Articles
  Analgesic and adverse effects of a fixed-ratio morphine-oxycodone combination (MoxDuo®) in the treatment of postoperative pain
  Abstract
• Journal of Opioid Management Vol. 6 No. 5 (2010): September/October - Articles
  A double-blind, placebo-controlled study of dual-opioid treatment with the combination of morphine plus oxycodone in patients with acute postoperative pain
  Abstract
• Journal of Opioid Management Vol. 8 No. 2 (2012): March/April - Articles
  Tolerability and efficacy of two synergistic ratios of oral morphine and oxycodone combinations versus morphine in patients with chronic noncancer pain
  Abstract