| 2007 | ||
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| 2 | A. R. Bakker: The need to know the history of the use of digital patient data, in particular the EHR. I. J. Medical Informatics 76(5-6): 438-441 (2007) | |
| 1994 | ||
| 1 | A. R. Bakker: Special Care Needed for the Heart of Medical Information Systems. DBSec 1994: 3-10 | |