Is your paper article #1 in a volume in Nature Communications? Then in some records you may be getting all the citations for all the other articles - because exported citations can default to "starting page" (always 1) instead of "article number"
retractionwatch.comBug in Springer Nature metadata may be causing ‘significant, systemic’ citation inflationMillions of researchers could be affected by a “dramatic distortion of citation counts” likely caused by flaws in how the academic publishing giant Springer Nature handles article metadata, accordi…