Ola Dale

The 118 A > G polymorphism in the human µ‐opioid receptor gene may increase morphine requirements in patients with pain caused by malignant disease

Pål Klepstad, Trude Teoline Nausthaug Rakvåg, S. Kaasa et al. · Acta Anaesthesiologica Scandinavica · 2004 · 377 citations

The Val158Met polymorphism of the human catechol-O-methyltransferase (COMT) gene may influence morphine requirements in cancer pain patients

Trude Teoline Nausthaug Rakvåg, Pål Klepstad, Cecilie Báár et al. · Pain · 2005 · 342 citations

Choosing the unit of measurement counts: The use of oral morphine equivalents in studies of opioid consumption is a useful addition to defined daily doses

Kristian Svendsen, PC Borchgrevink, Olav Magnus S. Fredheim et al. · Palliative Medicine · 2011 · 202 citations

Influence from genetic variability on opioid use for cancer pain: A European genetic association study of 2294 cancer pain patients

Pål Klepstad, Torill Fladvad, Frank Skorpen et al. · Pain · 2011 · 194 citations

Opioid Epidemic, World Health Organization, Pain Disorders +18

Associations between recreational exercise and chronic pain in the general population: Evidence from the HUNT 3 study

Tormod Landmark, Pål Romundstad, Petter C. Borchgrevink et al. · Pain · 2011 · 190 citations

Pain Therapy, Physical Activity, Pain Disorders +24