| Systems for grading the quality of evidence and the strength of recommendations I: critical appraisal of existing approaches The GRADE Working Group | BMC Health Services Research | 2004 | 631 |
| The hippocampus in schizophrenia: a review of the neuropathological evidence and its pathophysiological implications | Psychopharmacology | 2004 | 510 |
| Long-term lithium therapy for bipolar disorder: systematic review and meta-analysis of randomized controlled trials | American Journal of Psychiatry | 2004 | 447 |
| Increased positive versus negative affective perception and memory in healthy volunteers following selective serotonin and norepinephrine reuptake inhibition | American Journal of Psychiatry | 2004 | 436 |
| Antidepressants for bipolar depression: a systematic review of randomized, controlled trials | American Journal of Psychiatry | 2004 | 396 |
| A pooled analysis of 2 placebo-controlled 18-month trials of lamotrigine and lithium maintenance in bipolar I disorder | Journal of Clinical Psychiatry | 2004 | 365 |
| Factors associated with suicidal phenomena in adolescents: a systematic review of population-based studies | Clinical Psychology Review | 2004 | 360 |
| Distinct portions of anterior cingulate cortex and medial prefrontal cortex are activated by reward processing in separable phases of decision-making cognition | Biological Psychiatry | 2004 | 324 |
| Repetition of deliberate self-harm and subsequent suicide risk: long-term follow-up study of 11,583 patients | British Journal of Psychiatry | 2004 | 308 |
| The Vancouver Obsessional Compulsive Inventory (VOCI) | Behaviour Research and Therapy | 2004 | 296 |
| Persistent reduction in brain serotonin1A receptor binding in recovered depressed men measured by positron emission tomography with [11C]WAY-100635 | Molecular Psychiatry | 2004 | 207 |
| Body checking and its avoidance in eating disorders | International Journal of Eating Disorders | 2004 | 186 |
| Effect of Delta-9-tetrahydrocannabinol and cannabidiol on nocturnal sleep and early-morning behavior in young adults | Journal of Clinical Psychopharmacology | 2004 | 172 |
| UK legislation on analgesic packs: before and after study of long term effect on poisonings | BMJ, The | 2004 | 166 |
| Problem-solving in suicide attempters | Psychological Medicine | 2004 | 165 |
| Increased brain GABA concentrations following acute administration of a selective serotonin reuptake inhibitor | American Journal of Psychiatry | 2004 | 162 |
| A cognitive model of bulimia nervosa | British Journal of Clinical Psychology | 2004 | 161 |
| Attention deficit hyperactivity disorder and suicide: a review of possible associations | Acta Psychiatrica Scandinavica | 2004 | 158 |
| Normalization of enhanced fear recognition by acute SSRI treatment in subjects with a previous history of depression | American Journal of Psychiatry | 2004 | 145 |
| Spontaneously occurring images and early memories in people with body dysmorphic disorder | Memory | 2004 | 141 |
| Reflecting on imagery: a clinical perspective and overview of the special issue of memory on mental imagery and memory in psychopathology | Memory | 2004 | 138 |
| Psychiatric morbidity among homicide offenders: a Swedish population study | American Journal of Psychiatry | 2004 | 128 |
| Folate for depressive disorders: systematic review and meta-analysis of randomized controlled trials | Journal of Psychopharmacology | 2004 | 127 |
| Neuregulin-1 (NRG-1) mRNA and protein in the adult human brain | Neuroscience | 2004 | 127 |
| Methamphetamine activates reward circuitry in drug naïve human subjects | Neuropsychopharmacology | 2004 | 125 |
