204 CASE-CONTROL STUDY OF PROSTATE CANCER NESTED IN A COHORT OF SHEEP OWNERS EXPOSED TO HEXACHLORORCYCLOHEXANERafnsson, V.Author informationDepartment of Preventive Medicine, University of IcelandOccupational and Environmental Medicine 64(12):p e39, December 2007.Copyright © 2007 BMJ Publishing Group Ltd