@conference {437, title = {Retrieval of Similar Electronic Health Records Using UMLS Concept Graphs}, booktitle = {Natural Language Processing and Information Systems, 15th International Conference on Applications of Natural Language to Information Systems, NLDB 2010. Lecture Notes in Computer Science 6177}, year = {2010}, publisher = {Springer }, organization = {Springer }, address = {Cardiff, UK}, isbn = {978-3-642-13880-5}, url = {http://www.springerlink.com/content/j84407urxu415170/}, author = {Plaza, Laura and D{\'\i}az, Alberto} }