Gert Jan Scheffer

According to our database, Gert Jan Scheffer authored at least 2 papers between 2002 and 2007.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2007

The use of a registry database in clinical trial design: Assessing the influence of entry criteria on statistical power and number of eligible patients.

Linda Peelen, Niels Peek, Evert de Jonge, Gert Jan Scheffer, Nicolette de Keizer

Int. J. Medical Informatics, 2007

2002

Model Formulation: Defining and Improving Data Quality in Medical Registries: A Literature Review, Case Study, and Generic Framework.

Danielle G. T. Arts, Nicolette de Keizer, Gert Jan Scheffer

J. Am. Medical Informatics Assoc., 2002