http://blog.wikimedia.org.uk/2012/04/doctors-use-but-dont-rely-totally-on-w…
"According to recent research that has been shared with Wikimedia UK,
use of Wikipedia for medical information is almost universal among a
sample of doctors. Many of them praise its accuracy, but they are
aware of its faults and that it needs to be read critically.
The investigators conducted an online survey of medical staff at two
large hospital trusts in England. Nearly all the 109 responses
included free-text comments."
- d.