Research by Teri Krebs and Pål-Ørjan Johansen

Protecting the human rights of people who use psychedelics [full-text]
Krebs TS. Lancet Psychiatry. 2015 Apr.

Mental health and suicidal behavior in psychedelic users: A population study [full-text PDF]
Johansen PØ, Krebs TS. Journal of Psychopharmacology. 2015 Mar.

Over 30 million psychedelic users in the United States [full-text] 
Krebs TS, Johansen PØ. F1000Res. 2013 Mar.

Lysergic acid diethylamide (LSD) for alcoholism: meta-analysis of randomized controlled trials [full-text PDF]
Krebs TS, Johansen PØ. Journal of Psychopharmacology. 2012 Jul.