Lugo Tracy G, Braun Stephan, Cote Richard J, Pantel Klaus, Rusch Valerie
Cancer Diagnosis Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Rockville, MD 20892, USA.
J Clin Oncol. 2003 Jul 1;21(13):2609-15. doi: 10.1200/JCO.2003.01.153.