Retraction Note to: European Journal of Clinical Pharmacology (2019) 75:289–301
The authors have retracted this article [1] because there are fundamental errors in the data presented that undermine the conclusions drawn. All authors agree with this retraction. The authors are re-analysing their data and intend to submit a new manuscript for peer review in due course.
1. Ghaderi A, Bussu A, Tsang C, Jafarnejad S. Effect of N-acetyl cysteine (NAC) supplementation on positive and negative syndrome scale in schizophrenia: a systematic review and meta-analysis of randomised controlled trials. Eur J Clin Pharmacol (2019), 75: 289.
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The online version of the original article can be found at https://doi.org/10.1007/s00228-018-2595-1
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Ghaderi, A., Bussu, A., Tsang, C. et al. Retraction Note to: Effect of N-acetyl cysteine (NAC) supplementation on positive and negative syndrome scale in schizophrenia: a systematic review and meta-analysis of randomised controlled trials. Eur J Clin Pharmacol 75, 741 (2019). https://doi.org/10.1007/s00228-019-02676-3
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DOI: https://doi.org/10.1007/s00228-019-02676-3