Brain volume in first-episode schizophrenia: systematic review and meta-analysis of magnetic resonance imaging studies

RG Steen, C Mull, R Mcclure, RM Hamer… - The British Journal of …, 2006 - cambridge.org
BackgroundStudies of people with schizophrenia assessed using magnetic resonance
imaging (MRI) usually include patients with first-episode and chronic disease, yet brain …

[HTML][HTML] Measurement of brain metabolites by 1H magnetic resonance spectroscopy in patients with schizophrenia: a systematic review and meta-analysis

RG Steen, RM Hamer, JA Lieberman - Neuropsychopharmacology, 2005 - nature.com
A systematic review of the literature identified 64 published English-language papers that
used proton (1 H) magnetic resonance spectroscopy to measure N-acetylaspartate (NAA) …

[HTML][HTML] Healing of fracture nonunions treated with low-intensity pulsed ultrasound (LIPUS): A systematic review and meta-analysis

R Leighton, JT Watson, P Giannoudis, C Papakostidis… - Injury, 2017 - Elsevier
Introduction Bone fractures fail to heal and form nonunions in roughly 5% of cases, with little
expectation of spontaneous healing thereafter. We present a systematic review and meta …

Misconduct accounts for the majority of retracted scientific publications

FC Fang, RG Steen… - Proceedings of the …, 2012 - National Acad Sciences
A detailed review of all 2,047 biomedical and life-science research articles indexed by
PubMed as retracted on May 3, 2012 revealed that only 21.3% of retractions were …

Epidemiology of fracture nonunion in 18 human bones

R Zura, Z Xiong, T Einhorn, JT Watson, RF Ostrum… - JAMA …, 2016 - jamanetwork.com
Importance Failure of bone fracture healing occurs in 5% to 10% of all patients. Nonunion
risk is associated with the severity of injury and with the surgical treatment technique, yet …

Why has the number of scientific retractions increased?

RG Steen, A Casadevall, FC Fang - 2016 - psycnet.apa.org
This reprinted article originally appeared in PLoS ONE, 2013, 8, p. e68397. Science is said
to be self-correcting, in that the literature can purge itself of articles deemed to be seriously …

Retractions in the scientific literature: is the incidence of research fraud increasing?

RG Steen - Journal of medical ethics, 2011 - jme.bmj.com
Background Scientific papers are retracted for many reasons including fraud (data
fabrication or falsification) or error (plagiarism, scientific mistake, ethical problems). Growing …

Retractions in the scientific literature: do authors deliberately commit research fraud?

RG Steen - Journal of medical ethics, 2011 - jme.bmj.com
Background Papers retracted for fraud (data fabrication or data falsification) may represent a
deliberate effort to deceive, a motivation fundamentally different from papers retracted for …

The correlation between phase shifts in gradient-echo MR images and regional brain iron concentration

RJ Ogg, JW Langston, EM Haacke, RG Steen… - Magnetic resonance …, 1999 - Elsevier
The purpose of this study was to investigate the relationship between the magnetic
susceptibility of brain tissue and iron concentration. Phase shifts in gradient-echo images …

Financial costs and personal consequences of research misconduct resulting in retracted publications

AM Stern, A Casadevall, RG Steen, FC Fang - Elife, 2014 - elifesciences.org
The number of retracted scientific articles has been increasing. Most retractions are
associated with research misconduct, entailing financial costs to funding sources and …