Karen M. Ryan

A reassessment of trends in the medical use and abuse of opioid analgesics and implications for diversion control: 1997–2002

Aaron M. Gilson, Karen M. Ryan, David E. Joranson et al. · Journal of Pain and Symptom Management · 2004 · 342 citations

Opioid Analgesics, Opioid Epidemic, Pain Medicine +16

Using a Morphine Equivalence Metric to Quantify Opioid Consumption: Examining the Capacity to Provide Effective Treatment of Debilitating Pain at the Global, Regional, and Country Levels

Aaron M. Gilson, Martha A. Maurer, Karen M. Ryan et al. · Journal of Pain and Symptom Management · 2012 · 62 citations · Full text

Morphine Equivalence Metric, Opioid Epidemic, Substance Abuse +14

Reform of drug control policy for palliative care in Romania

Daniela Moşoiu, Karen M. Ryan, David E. Joranson et al. · The Lancet · 2006 · 38 citations

Palliative Care, Substance Abuse, Primary Care +10

Multivariate analysis of countries’ government and health-care system influences on opioid availability for cancer pain relief and palliative care: More than a function of human development

Aaron M. Gilson, Martha A. Maurer, Virginia LeBaron et al. · Palliative Medicine · 2012 · 35 citations

Opioid Availability and Palliative Care in Nepal: Influence of an International Pain Policy Fellowship

Bishnu Dutta Paudel, Karen M. Ryan, Mary Skemp Brown et al. · Journal of Pain and Symptom Management · 2014 · 30 citations · Full text

Palliative Care, Opioid Epidemic, Pain Therapy +9