A mess: PLOS mistakenly publishes rejected ADHD-herbicide paper, retracts it - Retraction Watch at Retraction Watch

"PLOS One has retracted a paper that links the most commonly used herbicide to ADHD, after it was 'published in error.' According to the note, the paper was “editorially rejected following peer review and consultation with the Editorial Board,” but ended up going through the production process anyway. When we contacted the authors, they filled us in with more details ..."