P E Zanstra

Using the GRAIL language for classification management.

J E Rogers, P E Zanstra, E J van der Haring, 1997, Studies in health technology and informatics.

Three types of IS-A statement in diagnostic classifications: three types of knowledge needed for development and maintenance.

P E Zanstra, P F de Vries Robbé, F J Flier, 1998, Methods of information in medicine.

Coding systems and classifications in healthcare: the link to the record.

A L Rector, P E Zanstra, W Ceusters, 1998, International journal of medical informatics.