Data protection aspects in an integrated hospital information system. - C. P. Louwerse; J. M. L. Kouwenberg (Comput. Secur., 1984)

Uniform HIS-Cost Modeling: Experiences and First Results for the Leiden University Hospital. - W. Willemsen; E. M. S. J. van Gennip; A. R. Bakker; C. P. Louwerse (MIE, 1991)