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 Ataxia–telangiectasia:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

Culturing of the sinuses may be needed to direct antibiotic therapy. This can be done by an Ear, Nose, and Throat (ENT) specialist. In addition, diagnostic bronchoscopy may be necessary in people who have recurrent pneumonia, especially those who do not respond or respond incompletely to a course of antibiotics.[citation needed]