Bosses in all fields can make mistakes. And while junior staff may always feel uncomfortable pointing them out, in some areas failing to do so could cost lives.

• “I am concerned.
• I am uncomfortable.
• This is unsafe.
• Or we need to stop.

And I think no matter what position you are in the pecking order, to ignore those four trigger words would be very very difficult.”

Full article: http://www.bbc.co.uk/news/health-33544778