The phrase "article that says" is correct and usable in written English.
You can use it when referring to a specific article that contains information or statements about a particular topic.
Example: "I found an article that says climate change is accelerating faster than previously thought."
Alternatives: "article stating" or "article mentioning".
Their company newsletter has an article that says most gulf residents aren't upset with BP because their cleanup crews have boosted the local economy.
"I think people are starting to question the long-term Indian story," Glenn Levine, a senior economist at Moody's Analytics in Sydney, Australia tells Jim Yardley and Vikas Bajaj in an article that says the air has been let out of the "once bubbly mood in the business and political classes".
The problem is that most people think that this is a safe beverage to drink, and yet in this past year in Circulation there's an article that says one serving a day increases a man's risk of heart attack by 20 percent, and in those who have one serving a day you can find in their bloodstream markers that show they're at risk for a heart attack.
Eugene: Yeah, right now we are OK but I'm sure if you write an article that says we are going to be the next Linkedin they will definitely block us [we both laugh].
When read aloud the sentence from The Advance's article that says, "Lhota said that if deer hunting were permitted, it should be with a bow and arrow," Mr. Lhota responded, "That's not anything like what I said.
I just read an article that says that the mobile gaming industry will soon overtake console gaming market, I wonder what those investors are starting to feel like.
I had read an article that said that deodorant causes cancer, so I didn't wear deodorant.
I had written an article that said that Bernard B. Kerik, the former police commissioner, would be testifying at an upcoming trial.
Trying to nail down some chronology, I asked Lex about a magazine article that said he was from Milwaukee.
"Wrong!" he said, adding a screenshot of an Axios article that said, "Scaramucci appears to want Priebus investigated by FBI".
Mr. Franks brandished a National Review article that said Mr. Schundler had missed opportunities to cut property taxes.
