It has come to the attention of the PLOS ONE Editors that there are substantial overlaps between the text of this article and a number of previously published works by other authors, particularly in the Introduction and Discussion sections. Text was duplicated verbatim or with minor modifications from the sources listed below:
Farrell C, McAvoy H, Wilde J (2008) Tackling health inequalities: An all-Ireland approach to social determinants. Islandbridge, Dublin: Combat Poverty Agency Publication. (Reference 1 in the published article) [2]
Vendruscolo LF, Pamplona FA, Takahashi RN (2004) Strain and sex differences in the expression of nociceptive behavior and stress-induced analgesia in rats. Brain Res 1030: 277–283. doi: 10.1016/j.brainres.2004.10.016 (Reference 5 in the published article) [3]
Racine M, Tousignant-Laflamme Y, Kloda LA, Dion D, Dupuis G, et al. (2012) A systematic literature review of 10 years of research on sex/gender and pain perception–Part 2: Do biopsychosocial factors alter pain sensitivity differently in women and men? Pain 153: 619–35. doi: 10.1016/j.pain.2011.11.026 (Reference 17 in the published article) [4]
Sex differences in opioid-mediated pain inhibitory mechanisms during the interphase in the formalin test. 2007. Neuroscience. Volume 146, Issue 1, 25 April 2007, Pages 366–374 (uncited in the published article) [5]
The formalin test: a dose–response analysis at three developmental stages. 1998. Pain Volume 76, Issue 3, June 1998, Pages 337–347 (uncited in the published article) [6]
Glynn P, Coakley R, Kilgallen I, Murphy N, O'Neill S (1999) Circulating interleukin 6 and interleukin 10 in community acquired pneumonia. Thorax 54: 51–55. doi: 10.1136/thx.54.1.51 (Reference 35 in the published article) [7]
Gioiosa L, Chiarotti F, Alleva E, Laviola G (2009) A trouble shared is a trouble halved: social context and status affect pain in mouse dyads. PloS one 4: e4143. doi: 10.1371/journal.pone.0004143 (Reference 34 in the published article) [8]
Butler RK, Finn DP (2009) Stress-induced analgesia. Prog Neurobiol 88: 184–202. doi: 10.1016/j.pneurobio.2009.04.003 (Reference 18 in the published article) [9]
Institute for Laboratory Animal Research (2009) Recognition and alleviation of pain in laboratory animals. In: Recognition and Assessment of Pain. Washington, D.C: National Academies Press. pp. 47–70. (Reference 16 in the published article) [10]
Spooner MF, Robichaud P, Carrier JC, Marchand S (2007) Endogenous pain modulation during the formalin test in estrogen receptor beta knockout mice. Neuroscience 150: 675–680. doi: 10.1016/j.neuroscience.2007.09.037 (Reference 40 in the published article) [11]
Borsook TK, MacDonald G (2010) Mildly negative social encounters reduce physical pain sensitivity. Pain 151: 372–377. doi: 10.1016/j.pain.2010.07.022 (Reference 42 in the published article) [12]
Ford GK, Finn DP (2008) Clinical correlates of stress-induced analgesia: evidence from pharmacological studies. Pain 140: 3–7. doi: 10.1016/j.pain.2008.09.023 (Reference 38 in the published article) [13]
Cachexia in chronic kidney disease: malnutrition-inflammation complex and reverse epidemiology. 2006. DOI 10.1007/978-88-470-0552-5_31 (uncited in the published article) [14]
Leukocytes in the regulation of pain and analgesia. 2005. doi: 10.1189/jlb.0405223 (uncited in the published article) [15]
Sternberg WF (1999) Sex differences in the effects of prenatal stress on stress-induced analgesia. Physiol Behav 68: 63–72. doi: 10.1016/s0031-9384(99)00164-x (Reference 22 in the published article) [16]
Klatzkin RR, Mechlin B, Girdler SS (2010) Menstrual cycle phase does not influence gender differences in experimental pain sensitivity. Eur J Pain 14: 77–82. doi: 10.1016/j.ejpain.2009.01.002 (Reference 57 in the published article) [17]
Pain Perception during Menstrual Cycle. 2011. DOI 10.1007/s11916-011-0207-1 (uncited in the published article) [18]
In view of the extensive verbatim use of text from other sources, the PLOS ONE Editors retract this article.
The authors wish to acknowledge that such re-use of text is not appropriate and would like to apologize.
References
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Farrell C, McAvoy H, Wilde J (2008) Tackling health inequalities: An all-Ireland approach to social determinants. Islandbridge, Dublin: Combat Poverty Agency Publication.
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Citation: The PLOS ONE Editors (2016) Retraction: The Effect of Social Stress on Chronic Pain Perception in Female and Male Mice. PLoS ONE 11(5): e0156567. https://doi.org/10.1371/journal.pone.0156567
Published: May 25, 2016
Copyright: © 2016 The PLOS ONE Editors. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.