On Dimensioning Intensive Care Units. - Nico M. van Dijk; Nikky Kortbeek (OR, 2007)

Erlang loss bounds for OT-ICU systems. - Nico M. van Dijk; Nikky Kortbeek (Queueing Syst. Theory Appl., 2009)

A P- and T-invariant characterization of product form and decomposition in stochastic Petri nets. - Nikky Kortbeek; Richard J. Boucherie (Perform. Evaluation, 2012)

Master surgery scheduling with consideration of multiple downstream units. - Andreas Fügener; Erwin W. Hans; Rainer Kolisch; Nikky Kortbeek; Peter T. Vanberkel (Eur. J. Oper. Res., 2014)

Designing cyclic appointment schedules for outpatient clinics with scheduled and unscheduled patient arrivals. - Nikky Kortbeek; Maartje E. Zonderland; Aleida Braaksma; Ingrid M. H. Vliegen; Richard J. Boucherie; Nelly Litvak; Erwin W. Hans (Perform. Evaluation, 2014)

Integral resource capacity planning for inpatient care services based on bed census predictions by hour. - Nikky Kortbeek; Aleida Braaksma; Ferry H. F. Smeenk; Piet J. M. Bakker; Richard J. Boucherie (J. Oper. Res. Soc., 2015)

A reusable simulation model to evaluate the effects of walk-in for diagnostic examinations. - Aleida Braaksma; Nikky Kortbeek; K. Smid; M. E. S. Sprengers (Simul. Model. Pract. Theory, 2017)

A Generic Approach to Optimize a Blueprint Schedule for Multidisciplinary Group Therapy in Rehabilitation Care. - Ingeborg A. Bikker; Jasper H. Buil; Brigitte van den Bosch; Nydia van As; Wieteke A. M. J. van der Heijden-Ermers; Charlotte Reijers; Nikky Kortbeek; Mark van Houdenhoven; Richard J. Boucherie (INFORMS J. Appl. Anal., 2025)