The paper was retracted. The fact kept walking. These are the sentences on Wikipedia, read by hundreds of thousands of people a month, that still rest on research its own journal has retracted.
Ranked by how many people a month read the Wikipedia articles where a retracted paper is still cited with no warning nearby. The highlighted words are what Wikipedia says right now.
We read each case by hand, tell Wikipedia's editors, and track every fix. This updates every day.