1. Risk markers for fatal and non-fatal prescription drug overdose: a meta-analysis Brady, Joanne E.; Giglio, Rebecca E.; Keyes, Katherine M.; DiMaggio, Charles J.; Li, Guohua 2017 Articles Drugs--OverdoseOpioid abuseHealth risk assessmentEpidemiologyAnalgesics
2. Building up Analgesia in Humans via the Endogenous μ-Opioid System by Combining Placebo and Active tDCS: A Preliminary Report DosSantos, Marcos F.; Martikainen, Ilkka K.; Nascimento, Thiago D.; Love, Tiffany M.; DeBoer, Misty D.; Schambra, Heidi Maren; Bikson, Marom; Zubieta, Jon-Kar; DaSilva, Alexandre F. 2014 Articles Prefrontal cortexNeural transmissionAnalgesicsBiochemistry