Application of Unified Modelling Language (UML) to the Modelling of Health Care Systems: An Introduction and Literature Survey. - Christos Vasilakis; Dorota Lecnzarowicz; Chooi Lee (Int. J. Heal. Inf. Syst. Informatics, 2008)

Developing model requirements for patient flow simulation studies using the Unified Modelling Language (UML). - Christos Vasilakis; D. Lecznarowicz; Chooi Lee (J. Simulation, 2009)