... the development of any computer-based system will have to proceed in a cycle from design to experience and back again. It is impossible to anticipate all of the relevant breakdown and their domains. They emerge gradually in practice. Winograd and Flores, 1986. p.171 Some time ago we worked with a group of dental assistants, designing a prototype case record system to explore the possibility of using computer support in public dental clinics.
Design at Work: Cooperative Design of Computer Systems, 1991, p. 197-218