Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Libman–Sacks endocarditis:

"

The pathology is the same as nonbacterial thrombotic endocarditis except focal necrosis with hematoxylin bodies can be found only in Libman–Sacks endocarditis.