If in doubt, Google it, doctors puzzling over a diagnosis have been told. (...) Embarrassing as it may seem to professionals trained for many years in medicine, Google can often come up with the right answer.
In 58 per cent of the cases, Google came up with the right answer. (...) There were some errors. A condition deduced to be graft versus host disease turned out to be West Nile fever - quite a big difference. But the two doctors conclude that Google is well worth trying.