T he theft of someone’s words or thoughts—plagiarism—has long been a concern in medi-cal literature. The phenomenon applies to unreferenced published or unpublished datathat belong to someone else, including applications for grants and a publication sub-mitted in a different language. Other acts of plagiarism are paraphrasing without cred-iting the source, using “blanket ” references, “second-generation ” references, and duplicate or re-petitive publication of one’s own previously published work. Does incorporating a peer reviewer’s ideas constitute plagiarism? The requirement of many journals for a short list of references is prob-lematic, as is confusion about what constitutes common knowledge. What criteria should be used for detecting p...