1. From the Bostwick Laboratories (DGB, JQ), Richmond, Virginia, Department of Pathology, Health Sciences Center, University of Manitoba (DH), Winnipeg, Manitoba and Department of Pathology, Vancouver General Hospital (ECJ), Vancouver, British Columbia, Canada, Department of Urology (RMN) and Division of Epidemiology (PY), Mayo Clinic, Rochester, Minnesota, Department of Pathology, Massachusetts General Hospital and Harvard Medical School (RHY), Boston, Massachusetts, and Department of Pathology,...