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Age at onset of mental disorders worldwide: large-scale meta-analysis of 192 epidemiological studies

https://doi.org/10.1038/s41380-021-01161-7
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60/60 checkable references clean · checked 2026-07-25

Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.

3 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.

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The 3 references without a DOI — listed, not checked
no DOI — not checkedWells GA, Shea B, O’Connell D, Peterson J, Welch V, Losos M, Tugwell P. Newcastle-Ottawa scale assess qual nonrandomised stud meta-analyses. Ottawa Hospital Research Institute. http://www.ohri.ca/programs/clinical_epidemiology/oxford.asp. Accessed 21 Dec 2019.
no DOI — not checkedImmonen J, Jääskeläinen E, Korpela H, Miettunen J. Age at onset and the outcomes of schizophrenia: a systematic review and meta-analysis. Early Interv. Psychiatry 2017;11:453–60.
no DOI — not checkedArango C, Dragioti E, Solmi M, Cortese S, Domschke K, Murray R, et al. Evidence-based atlas of risk and protective factors of mental disorders: meta-umbrella review. World Psychiatry. 2021. (In press).
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