Navigating Health and Social Care: We are on a mission - aren't we ...?*

"Before the introduction of instrument navigation, an aircraft pilot had to give up his mission whenever weather conditions worsened to a degree where visual orientation did not allow for secure landing at his destination airfield. This is situation of today's surgery." p.43.

Adams L, Krybus W, Meyer-Ebrecht D, Rüger D, Gilsbach JM, Mösges R, Schlöndorff G (1990)
Computer assisted surgery. IEEE Computer Graphics and Applications. 10:43–51.

*All together.