购买第一作者名额的费用可能在56美元到5,600美元之间 - Retraction Watch
Buying a first author slot can cost you anywhere from 56 to 5,600 (news.google.com)
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购买第一作者名额的费用可能在56美元到5,600美元之间 - Retraction Watch
Buying a first author slot can cost you anywhere from 56 to 5,600 (news.google.com)
