Langendijk J A, Psyrri A
Department of Radiation Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
Second Department of Internal Medicine, Propaedeutic, University of Athens Medical School, Attikon University Hospital, Athens, Greece.
Ann Oncol. 2010 Oct;21(10):1931-1934. doi: 10.1093/annonc/mdq439. Epub 2010 Aug 17.