We used to have our own plane with the band's name on the side. It was a dream come true. You drive to a local airport. There's none of this checking in stuff; you just get on the plane.
I don't practice, but I am still officially in paediatrics. I keep in touch with journals, and I have a very good data bank of medical information and there is a key thing for a writer knowing where to go. I know where to go to get the information that I need.