Olli‐Pekka Ryynänen

Effectiveness of hip or knee replacement surgery in terms of quality-adjusted life years and costs

Pirjo Räsänen, Pekka Paavolainen, Harri Sintonen et al. · Acta Orthopaedica · 2007 · 370 citations · Full text

Altered striatal dopamine re-uptake site densities in habitually violent and non-violent alcoholics

Jari Tiihonen, Jyrki T. Kuikka, Kim Bergström et al. · Nature Medicine · 1995 · 210 citations

Substance Abuse, Substance Use, Psychiatry +12

Lamotrigine in treatment-resistant schizophrenia: a randomized placebo-controlled crossover trial

Jari Tiihonen, Tero Hallikainen, Olli‐Pekka Ryynänen et al. · Biological Psychiatry · 2003 · 192 citations

Psychiatry, Psychotic Disorder, Psychotropic Medication +4

Cluster-Randomized Controlled Trial of Reducing Seclusion and Restraint in Secured Care of Men With Schizophrenia

Anu Putkonen, Satu Kuivalainen, Olavi Louheranta et al. · Psychiatric Services · 2013 · 132 citations

Topiramate Add-On in Treatment-Resistant Schizophrenia

Jari Tiihonen, Pirjo Halonen, Kristian Wahlbeck et al. · The Journal of Clinical Psychiatry · 2005 · 99 citations